diff --git a/xml/System/Boolean.xml b/xml/System/Boolean.xml
index 2ea59908470..3ca62ec7c09 100644
--- a/xml/System/Boolean.xml
+++ b/xml/System/Boolean.xml
@@ -1822,10 +1822,10 @@
         <Parameter Name="result" Type="System.Boolean" RefType="out" Index="1" FrameworkAlternate="netcore-2.1;netcore-2.2;netcore-3.0;netstandard-2.1" />
       </Parameters>
       <Docs>
-        <param name="value">To be added.</param>
-        <param name="result">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="value">A span containing the characters representing the value to convert.</param>
+        <param name="result">When this method returns, if the conversion succeeded, contains <see langword="true" /> if <paramref name="value" /> is equal to <see cref="F:System.Boolean.TrueString" /> or <see langword="false" /> if <paramref name="value" /> is equal to <see cref="F:System.Boolean.FalseString" />. If the conversion failed, contains <see langword="false" />. The conversion fails if <paramref name="value" /> is <see langword="null" /> or is not equal to the value of either the <see cref="F:System.Boolean.TrueString" /> or <see cref="F:System.Boolean.FalseString" /> field.</param>
+        <summary>Tries to convert the specified span representation of a logical value to its <see cref="T:System.Boolean" /> equivalent.</summary>
+        <returns><see langword="true" /> if <paramref name="value" /> was converted successfully; otherwise, <see langword="false" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -1867,9 +1867,8 @@
       <Docs>
         <param name="value">A string containing the value to convert.</param>
         <param name="result">When this method returns, if the conversion succeeded, contains <see langword="true" /> if <paramref name="value" /> is equal to <see cref="F:System.Boolean.TrueString" /> or <see langword="false" /> if <paramref name="value" /> is equal to <see cref="F:System.Boolean.FalseString" />. If the conversion failed, contains <see langword="false" />. The conversion fails if <paramref name="value" /> is <see langword="null" /> or is not equal to the value of either the <see cref="F:System.Boolean.TrueString" /> or <see cref="F:System.Boolean.FalseString" /> field.</param>
-        <summary>Tries to convert the specified string representation of a logical value to its <see cref="T:System.Boolean" /> equivalent. A return value indicates whether the conversion succeeded or failed.</summary>
-        <returns>
-          <see langword="true" /> if <paramref name="value" /> was converted successfully; otherwise, <see langword="false" />.</returns>
+        <summary>Tries to convert the specified string representation of a logical value to its <see cref="T:System.Boolean" /> equivalent.</summary>
+        <returns><see langword="true" /> if <paramref name="value" /> was converted successfully; otherwise, <see langword="false" />.</returns>
         <remarks>
           <format type="text/markdown"><![CDATA[  
   
diff --git a/xml/System/Byte.xml b/xml/System/Byte.xml
index 0b1baa225be..26b695e32df 100644
--- a/xml/System/Byte.xml
+++ b/xml/System/Byte.xml
@@ -2351,10 +2351,10 @@
         <Parameter Name="result" Type="System.Byte" RefType="out" Index="1" FrameworkAlternate="netcore-2.1;netcore-2.2;netcore-3.0;netstandard-2.1" />
       </Parameters>
       <Docs>
-        <param name="s">To be added.</param>
-        <param name="result">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="s">A span containing the characters representing the number to convert.</param>
+        <param name="result">When this method returns, contains the <see cref="T:System.Byte" /> value equivalent to the number contained in <paramref name="s" /> if the conversion succeeded, or zero if the conversion failed. This parameter is passed uninitialized; any value originally supplied in <paramref name="result" /> will be overwritten.</param>
+        <summary>Tries to convert the span representation of a number to its <see cref="T:System.Byte" /> equivalent, and returns a value that indicates whether the conversion succeeded.</summary>
+        <returns><see langword="true" /> if <paramref name="s" /> was converted successfully; otherwise, <see langword="false" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -2394,11 +2394,10 @@
         <Parameter Name="result" Type="System.Byte" RefType="out" Index="1" FrameworkAlternate="dotnet-uwp-10.0;netcore-1.0;netcore-1.1;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netstandard-1.0;netstandard-1.1;netstandard-1.2;netstandard-1.3;netstandard-1.4;netstandard-1.5;netstandard-1.6;netstandard-2.0;netstandard-2.1;xamarinandroid-7.1;xamarinios-10.8;xamarinmac-3.0" />
       </Parameters>
       <Docs>
-        <param name="s">A string that contains a number to convert. The string is interpreted using the <see cref="F:System.Globalization.NumberStyles.Integer" /> style.</param>
+        <param name="s">A string that contains a number to convert.</param>
         <param name="result">When this method returns, contains the <see cref="T:System.Byte" /> value equivalent to the number contained in <paramref name="s" /> if the conversion succeeded, or zero if the conversion failed. This parameter is passed uninitialized; any value originally supplied in <paramref name="result" /> will be overwritten.</param>
         <summary>Tries to convert the string representation of a number to its <see cref="T:System.Byte" /> equivalent, and returns a value that indicates whether the conversion succeeded.</summary>
-        <returns>
-          <see langword="true" /> if <paramref name="s" /> was converted successfully; otherwise, <see langword="false" />.</returns>
+        <returns><see langword="true" /> if <paramref name="s" /> was converted successfully; otherwise, <see langword="false" />.</returns>
         <remarks>
           <format type="text/markdown"><![CDATA[  
   
@@ -2471,12 +2470,12 @@
         <Parameter Name="result" Type="System.Byte" RefType="out" Index="3" FrameworkAlternate="netcore-2.1;netcore-2.2;netcore-3.0;netstandard-2.1" />
       </Parameters>
       <Docs>
-        <param name="s">To be added.</param>
-        <param name="style">To be added.</param>
-        <param name="provider">To be added.</param>
-        <param name="result">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="s">A span containing the characters representing the number to convert. The span is interpreted using the <see cref="F:System.Globalization.NumberStyles.Integer" /> style.</param>
+        <param name="style">A bitwise combination of enumeration values that indicates the style elements that can be present in <paramref name="s" />. A typical value to specify is <see cref="F:System.Globalization.NumberStyles.Integer" />.</param>
+        <param name="provider">An object that supplies culture-specific formatting information about <paramref name="s" />. If <paramref name="provider" /> is <see langword="null" />, the thread current culture is used.</param>
+        <param name="result">When this method returns, contains the 8-bit unsigned integer value equivalent to the number contained in <paramref name="s" /> if the conversion succeeded, or zero if the conversion failed. The conversion fails if the <paramref name="s" /> parameter is <see langword="null" /> or <see cref="F:System.String.Empty" />, is not of the correct format, or represents a number less than <see cref="F:System.Byte.MinValue" /> or greater than <see cref="F:System.Byte.MaxValue" />. This parameter is passed uninitialized; any value originally supplied in <paramref name="result" /> will be overwritten.</param>
+        <summary>Converts the span representation of a number in a specified style and culture-specific format to its <see cref="T:System.Byte" /> equivalent. A return value indicates whether the conversion succeeded or failed.</summary>
+        <returns><see langword="true" /> if <paramref name="s" /> was converted successfully; otherwise, <see langword="false" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -2523,8 +2522,7 @@
         <param name="provider">An object that supplies culture-specific formatting information about <paramref name="s" />. If <paramref name="provider" /> is <see langword="null" />, the thread current culture is used.</param>
         <param name="result">When this method returns, contains the 8-bit unsigned integer value equivalent to the number contained in <paramref name="s" /> if the conversion succeeded, or zero if the conversion failed. The conversion fails if the <paramref name="s" /> parameter is <see langword="null" /> or <see cref="F:System.String.Empty" />, is not of the correct format, or represents a number less than <see cref="F:System.Byte.MinValue" /> or greater than <see cref="F:System.Byte.MaxValue" />. This parameter is passed uninitialized; any value originally supplied in <paramref name="result" /> will be overwritten.</param>
         <summary>Converts the string representation of a number in a specified style and culture-specific format to its <see cref="T:System.Byte" /> equivalent. A return value indicates whether the conversion succeeded or failed.</summary>
-        <returns>
-          <see langword="true" /> if <paramref name="s" /> was converted successfully; otherwise, <see langword="false" />.</returns>
+        <returns><see langword="true" /> if <paramref name="s" /> was converted successfully; otherwise, <see langword="false" />.</returns>
         <remarks>
           <format type="text/markdown"><![CDATA[  
   
diff --git a/xml/System/DateTime.xml b/xml/System/DateTime.xml
index 3f33553cf0b..32bd2ed524e 100644
--- a/xml/System/DateTime.xml
+++ b/xml/System/DateTime.xml
@@ -8100,10 +8100,10 @@ The value of the current <xref:System.DateTime> object is formatted using the pa
         <Parameter Name="result" Type="System.DateTime" RefType="out" Index="1" FrameworkAlternate="netcore-2.1;netcore-2.2;netcore-3.0;netstandard-2.1" />
       </Parameters>
       <Docs>
-        <param name="s">To be added.</param>
-        <param name="result">To be added.</param>
+        <param name="s">A string containing a date and time to convert.</param>
+        <param name="result">When this method returns, contains the <see cref="T:System.DateTime" /> value equivalent to the date and time contained in <paramref name="s" />, if the conversion succeeded, or <see cref="F:System.DateTime.MinValue" /> if the conversion failed. The conversion fails if the <paramref name="s" /> parameter is <see langword="null" />, is an empty string (""), or does not contain a valid string representation of a date and time. This parameter is passed uninitialized.</param>
         <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <returns><see langword="true" /> if the <paramref name="s" /> parameter was converted successfully; otherwise, <see langword="false" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -8151,8 +8151,7 @@ The value of the current <xref:System.DateTime> object is formatted using the pa
         <param name="s">A string containing a date and time to convert.</param>
         <param name="result">When this method returns, contains the <see cref="T:System.DateTime" /> value equivalent to the date and time contained in <paramref name="s" />, if the conversion succeeded, or <see cref="F:System.DateTime.MinValue" /> if the conversion failed. The conversion fails if the <paramref name="s" /> parameter is <see langword="null" />, is an empty string (""), or does not contain a valid string representation of a date and time. This parameter is passed uninitialized.</param>
         <summary>Converts the specified string representation of a date and time to its <see cref="T:System.DateTime" /> equivalent and returns a value that indicates whether the conversion succeeded.</summary>
-        <returns>
-          <see langword="true" /> if the <paramref name="s" /> parameter was converted successfully; otherwise, <see langword="false" />.</returns>
+        <returns><see langword="true" /> if the <paramref name="s" /> parameter was converted successfully; otherwise, <see langword="false" />.</returns>
         <remarks>
           <format type="text/markdown"><![CDATA[  
   
@@ -8222,12 +8221,12 @@ The value of the current <xref:System.DateTime> object is formatted using the pa
         <Parameter Name="result" Type="System.DateTime" RefType="out" Index="3" FrameworkAlternate="netcore-2.1;netcore-2.2;netcore-3.0;netstandard-2.1" />
       </Parameters>
       <Docs>
-        <param name="s">To be added.</param>
-        <param name="provider">To be added.</param>
-        <param name="styles">To be added.</param>
-        <param name="result">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="s">A span containing the characters representing the date and time to convert.</param>
+        <param name="provider">An object that supplies culture-specific formatting information about <paramref name="s" />.</param>
+        <param name="styles">A bitwise combination of enumeration values that defines how to interpret the parsed date in relation to the current time zone or the current date. A typical value to specify is <see cref="F:System.Globalization.DateTimeStyles.None" />.</param>
+        <param name="result">When this method returns, contains the <see cref="T:System.DateTime" /> value equivalent to the date and time contained in <paramref name="s" />, if the conversion succeeded, or <see cref="F:System.DateTime.MinValue" /> if the conversion failed. The conversion fails if the <paramref name="s" /> parameter is <see langword="null" />, is an empty string (""), or does not contain a valid string representation of a date and time. This parameter is passed uninitialized.</param>
+        <summary>Converts the span representation of a date and time to its <see cref="T:System.DateTime" /> equivalent using the specified culture-specific format information and formatting style, and returns a value that indicates whether the conversion succeeded.</summary>
+        <returns><see langword="true" /> if the <paramref name="s" /> parameter was converted successfully; otherwise, <see langword="false" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -8279,8 +8278,7 @@ The value of the current <xref:System.DateTime> object is formatted using the pa
         <param name="styles">A bitwise combination of enumeration values that defines how to interpret the parsed date in relation to the current time zone or the current date. A typical value to specify is <see cref="F:System.Globalization.DateTimeStyles.None" />.</param>
         <param name="result">When this method returns, contains the <see cref="T:System.DateTime" /> value equivalent to the date and time contained in <paramref name="s" />, if the conversion succeeded, or <see cref="F:System.DateTime.MinValue" /> if the conversion failed. The conversion fails if the <paramref name="s" /> parameter is <see langword="null" />, is an empty string (""), or does not contain a valid string representation of a date and time. This parameter is passed uninitialized.</param>
         <summary>Converts the specified string representation of a date and time to its <see cref="T:System.DateTime" /> equivalent using the specified culture-specific format information and formatting style, and returns a value that indicates whether the conversion succeeded.</summary>
-        <returns>
-          <see langword="true" /> if the <paramref name="s" /> parameter was converted successfully; otherwise, <see langword="false" />.</returns>
+        <returns><see langword="true" /> if the <paramref name="s" /> parameter was converted successfully; otherwise, <see langword="false" />.</returns>
         <remarks>
           <format type="text/markdown"><![CDATA[  
   
diff --git a/xml/System/DateTimeOffset.xml b/xml/System/DateTimeOffset.xml
index 153cc6569dd..29503520500 100644
--- a/xml/System/DateTimeOffset.xml
+++ b/xml/System/DateTimeOffset.xml
@@ -5405,10 +5405,10 @@ Me.ToUtcDateTime().ToFileTime()
         <Parameter Name="result" Type="System.DateTimeOffset" RefType="out" Index="1" FrameworkAlternate="netcore-2.1;netcore-2.2;netcore-3.0;netstandard-2.1" />
       </Parameters>
       <Docs>
-        <param name="input">To be added.</param>
-        <param name="result">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="input">A span containing the characters representing the date and time to convert.</param>
+        <param name="result">When the method returns, contains the <see cref="T:System.DateTimeOffset" /> equivalent to the date and time of <paramref name="input" />, if the conversion succeeded, or <see cref="F:System.DateTimeOffset.MinValue" />, if the conversion failed. The conversion fails if the <paramref name="input" /> parameter is <see langword="null" /> or does not contain a valid string representation of a date and time. This parameter is passed uninitialized.</param>
+        <summary>Tries to convert a specified span representation of a date and time to its <see cref="T:System.DateTimeOffset" /> equivalent, and returns a value that indicates whether the conversion succeeded.</summary>
+        <returns><see langword="true" /> if the <paramref name="input" /> parameter is successfully converted; otherwise, <see langword="false" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -5456,8 +5456,7 @@ Me.ToUtcDateTime().ToFileTime()
         <param name="input">A string that contains a date and time to convert.</param>
         <param name="result">When the method returns, contains the <see cref="T:System.DateTimeOffset" /> equivalent to the date and time of <paramref name="input" />, if the conversion succeeded, or <see cref="F:System.DateTimeOffset.MinValue" />, if the conversion failed. The conversion fails if the <paramref name="input" /> parameter is <see langword="null" /> or does not contain a valid string representation of a date and time. This parameter is passed uninitialized.</param>
         <summary>Tries to converts a specified string representation of a date and time to its <see cref="T:System.DateTimeOffset" /> equivalent, and returns a value that indicates whether the conversion succeeded.</summary>
-        <returns>
-          <see langword="true" /> if the <paramref name="input" /> parameter is successfully converted; otherwise, <see langword="false" />.</returns>
+        <returns><see langword="true" /> if the <paramref name="input" /> parameter is successfully converted; otherwise, <see langword="false" />.</returns>
         <remarks>
           <format type="text/markdown"><![CDATA[  
   
@@ -5518,12 +5517,12 @@ Me.ToUtcDateTime().ToFileTime()
         <Parameter Name="result" Type="System.DateTimeOffset" RefType="out" Index="3" FrameworkAlternate="netcore-2.1;netcore-2.2;netcore-3.0;netstandard-2.1" />
       </Parameters>
       <Docs>
-        <param name="input">To be added.</param>
-        <param name="formatProvider">To be added.</param>
-        <param name="styles">To be added.</param>
-        <param name="result">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="input">A span containing the characters representing the date and time to convert.</param>
+        <param name="formatProvider">An object that provides culture-specific formatting information about <paramref name="input" />.</param>
+        <param name="styles">A bitwise combination of enumeration values that indicates the permitted format of <paramref name="input" />.</param>
+        <param name="result">When the method returns, contains the <see cref="T:System.DateTimeOffset" /> value equivalent to the date and time of <paramref name="input" />, if the conversion succeeded, or <see cref="F:System.DateTimeOffset.MinValue" />, if the conversion failed. The conversion fails if the <paramref name="input" /> parameter is <see langword="null" /> or does not contain a valid string representation of a date and time. This parameter is passed uninitialized.</param>
+        <summary>Tries to convert a specified span representation of a date and time to its <see cref="T:System.DateTimeOffset" /> equivalent, and returns a value that indicates whether the conversion succeeded.</summary>
+        <returns><see langword="true" /> if the <paramref name="input" /> parameter is successfully converted; otherwise, <see langword="false" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -5575,8 +5574,7 @@ Me.ToUtcDateTime().ToFileTime()
         <param name="styles">A bitwise combination of enumeration values that indicates the permitted format of <paramref name="input" />.</param>
         <param name="result">When the method returns, contains the <see cref="T:System.DateTimeOffset" /> value equivalent to the date and time of <paramref name="input" />, if the conversion succeeded, or <see cref="F:System.DateTimeOffset.MinValue" />, if the conversion failed. The conversion fails if the <paramref name="input" /> parameter is <see langword="null" /> or does not contain a valid string representation of a date and time. This parameter is passed uninitialized.</param>
         <summary>Tries to convert a specified string representation of a date and time to its <see cref="T:System.DateTimeOffset" /> equivalent, and returns a value that indicates whether the conversion succeeded.</summary>
-        <returns>
-          <see langword="true" /> if the <paramref name="input" /> parameter is successfully converted; otherwise, <see langword="false" />.</returns>
+        <returns><see langword="true" /> if the <paramref name="input" /> parameter is successfully converted; otherwise, <see langword="false" />.</returns>
         <remarks>
           <format type="text/markdown"><![CDATA[  
   
diff --git a/xml/System/Decimal.xml b/xml/System/Decimal.xml
index 61837370412..564f1ca1d7a 100644
--- a/xml/System/Decimal.xml
+++ b/xml/System/Decimal.xml
@@ -7232,10 +7232,10 @@
         <Parameter Name="result" Type="System.Decimal" RefType="out" Index="1" FrameworkAlternate="netcore-2.1;netcore-2.2;netcore-3.0;netstandard-2.1" />
       </Parameters>
       <Docs>
-        <param name="s">To be added.</param>
-        <param name="result">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="s">A span containing the characters representing the number to convert.</param>
+        <param name="result">When this method returns, contains the <see cref="T:System.Decimal" /> number that is equivalent to the numeric value contained in <paramref name="s" />, if the conversion succeeded, or zero if the conversion failed. The conversion fails if the <paramref name="s" /> parameter is <see langword="null" /> or <see cref="F:System.String.Empty" />, is not a number in a format compliant with <paramref name="style" />, or represents a number less than <see cref="F:System.Decimal.MinValue" /> or greater than <see cref="F:System.Decimal.MaxValue" />. This parameter is passed uininitialized; any value originally supplied in <paramref name="result" /> is overwritten.</param>
+        <summary>Converts the span representation of a number to its <see cref="T:System.Decimal" /> equivalent using the specified style and culture-specific format. A return value indicates whether the conversion succeeded or failed.</summary>
+        <returns><see langword="true" /> if <paramref name="s" /> was converted successfully; otherwise, <see langword="false" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -7360,12 +7360,12 @@
         <Parameter Name="result" Type="System.Decimal" RefType="out" Index="3" FrameworkAlternate="netcore-2.1;netcore-2.2;netcore-3.0;netstandard-2.1" />
       </Parameters>
       <Docs>
-        <param name="s">To be added.</param>
-        <param name="style">To be added.</param>
-        <param name="provider">To be added.</param>
-        <param name="result">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="s">A span containing the characters representing the number to convert.</param>
+        <param name="style">A bitwise combination of enumeration values that indicates the permitted format of <paramref name="s" />. A typical value to specify is <see cref="F:System.Globalization.NumberStyles.Number" />.</param>
+        <param name="provider">An object that supplies culture-specific parsing information about <paramref name="s" />.</param>
+        <param name="result">When this method returns, contains the <see cref="T:System.Decimal" /> number that is equivalent to the numeric value contained in <paramref name="s" />, if the conversion succeeded, or zero if the conversion failed. The conversion fails if the <paramref name="s" /> parameter is <see langword="null" /> or <see cref="F:System.String.Empty" />, is not a number in a format compliant with <paramref name="style" />, or represents a number less than <see cref="F:System.Decimal.MinValue" /> or greater than <see cref="F:System.Decimal.MaxValue" />. This parameter is passed uininitialized; any value originally supplied in <paramref name="result" /> is overwritten.</param>
+        <summary>Converts the span representation of a number to its <see cref="T:System.Decimal" /> equivalent using the specified style and culture-specific format. A return value indicates whether the conversion succeeded or failed.</summary>
+        <returns><see langword="true" /> if <paramref name="s" /> was converted successfully; otherwise, <see langword="false" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -7415,10 +7415,9 @@
         <param name="s">The string representation of the number to convert.</param>
         <param name="style">A bitwise combination of enumeration values that indicates the permitted format of <paramref name="s" />. A typical value to specify is <see cref="F:System.Globalization.NumberStyles.Number" />.</param>
         <param name="provider">An object that supplies culture-specific parsing information about <paramref name="s" />.</param>
-        <param name="result">When this method returns, contains the <see cref="T:System.Decimal" /> number that is equivalent to the numeric value contained in <paramref name="s" />, if the conversion succeeded, or zero if the conversion failed. The conversion fails if the <paramref name="s" /> parameter is <see langword="null" /> or <see cref="F:System.String.Empty" />, is not a number in a format compliant with <paramref name="style" />, or represents a number less than <see cref="F:System.Decimal.MinValue" /> or greater than <see cref="F:System.Decimal.MaxValue" />. This parameter is passed uininitialized; any value originally supplied in <paramref name="result" /> is overwritten. </param>
+        <param name="result">When this method returns, contains the <see cref="T:System.Decimal" /> number that is equivalent to the numeric value contained in <paramref name="s" />, if the conversion succeeded, or zero if the conversion failed. The conversion fails if the <paramref name="s" /> parameter is <see langword="null" /> or <see cref="F:System.String.Empty" />, is not a number in a format compliant with <paramref name="style" />, or represents a number less than <see cref="F:System.Decimal.MinValue" /> or greater than <see cref="F:System.Decimal.MaxValue" />. This parameter is passed uininitialized; any value originally supplied in <paramref name="result" /> is overwritten.</param>
         <summary>Converts the string representation of a number to its <see cref="T:System.Decimal" /> equivalent using the specified style and culture-specific format. A return value indicates whether the conversion succeeded or failed.</summary>
-        <returns>
-          <see langword="true" /> if <paramref name="s" /> was converted successfully; otherwise, <see langword="false" />.</returns>
+        <returns><see langword="true" /> if <paramref name="s" /> was converted successfully; otherwise, <see langword="false" />.</returns>
         <remarks>
           <format type="text/markdown"><![CDATA[  
   
diff --git a/xml/System/Double.xml b/xml/System/Double.xml
index 5b5e5c4214e..d174233cbdc 100644
--- a/xml/System/Double.xml
+++ b/xml/System/Double.xml
@@ -3645,10 +3645,10 @@
         <Parameter Name="result" Type="System.Double" RefType="out" Index="1" FrameworkAlternate="netcore-2.1;netcore-2.2;netcore-3.0;netstandard-2.1" />
       </Parameters>
       <Docs>
-        <param name="s">To be added.</param>
-        <param name="result">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="s">A span containing the characters representing the number to convert.</param>
+        <param name="result">When this method returns, contains a double-precision floating-point number equivalent of the numeric value or symbol contained in <paramref name="s" />, if the conversion succeeded, or zero if the conversion failed. The conversion fails if the <paramref name="s" /> parameter is <see langword="null" /> or <see cref="F:System.String.Empty" />, is not in a format compliant with <paramref name="style" />, represents a number less than <see cref="F:System.SByte.MinValue" /> or greater than <see cref="F:System.SByte.MaxValue" />, or if <paramref name="style" /> is not a valid combination of <see cref="T:System.Globalization.NumberStyles" /> enumerated constants. This parameter is passed uninitialized; any value originally supplied in <paramref name="result" /> will be overwritten.</param>
+        <summary>Converts the span representation of a number in a specified style and culture-specific format to its double-precision floating-point number equivalent. A return value indicates whether the conversion succeeded or failed.</summary>
+        <returns><see langword="true" /> if <paramref name="s" /> was converted successfully; otherwise, <see langword="false" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -3780,12 +3780,12 @@
         <Parameter Name="result" Type="System.Double" RefType="out" Index="3" FrameworkAlternate="netcore-2.1;netcore-2.2;netcore-3.0;netstandard-2.1" />
       </Parameters>
       <Docs>
-        <param name="s">To be added.</param>
-        <param name="style">To be added.</param>
-        <param name="provider">To be added.</param>
-        <param name="result">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="s">A span containing the characters representing the number to convert.</param>
+        <param name="style">A bitwise combination of <see cref="T:System.Globalization.NumberStyles" /> values that indicates the permitted format of <paramref name="s" />. A typical value to specify is <see cref="F:System.Globalization.NumberStyles.Float" /> combined with <see cref="F:System.Globalization.NumberStyles.AllowThousands" />.</param>
+        <param name="provider">An <see cref="T:System.IFormatProvider" /> that supplies culture-specific formatting information about <paramref name="s" />.</param>
+        <param name="result">When this method returns, contains a double-precision floating-point number equivalent of the numeric value or symbol contained in <paramref name="s" />, if the conversion succeeded, or zero if the conversion failed. The conversion fails if the <paramref name="s" /> parameter is <see langword="null" /> or <see cref="F:System.String.Empty" />, is not in a format compliant with <paramref name="style" />, represents a number less than <see cref="F:System.SByte.MinValue" /> or greater than <see cref="F:System.SByte.MaxValue" />, or if <paramref name="style" /> is not a valid combination of <see cref="T:System.Globalization.NumberStyles" /> enumerated constants. This parameter is passed uninitialized; any value originally supplied in <paramref name="result" /> will be overwritten.</param>
+        <summary>Converts the span representation of a number in a specified style and culture-specific format to its double-precision floating-point number equivalent. A return value indicates whether the conversion succeeded or failed.</summary>
+        <returns><see langword="true" /> if <paramref name="s" /> was converted successfully; otherwise, <see langword="false" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -3838,8 +3838,7 @@
         <param name="provider">An <see cref="T:System.IFormatProvider" /> that supplies culture-specific formatting information about <paramref name="s" />.</param>
         <param name="result">When this method returns, contains a double-precision floating-point number equivalent of the numeric value or symbol contained in <paramref name="s" />, if the conversion succeeded, or zero if the conversion failed. The conversion fails if the <paramref name="s" /> parameter is <see langword="null" /> or <see cref="F:System.String.Empty" />, is not in a format compliant with <paramref name="style" />, represents a number less than <see cref="F:System.SByte.MinValue" /> or greater than <see cref="F:System.SByte.MaxValue" />, or if <paramref name="style" /> is not a valid combination of <see cref="T:System.Globalization.NumberStyles" /> enumerated constants. This parameter is passed uninitialized; any value originally supplied in <paramref name="result" /> will be overwritten.</param>
         <summary>Converts the string representation of a number in a specified style and culture-specific format to its double-precision floating-point number equivalent. A return value indicates whether the conversion succeeded or failed.</summary>
-        <returns>
-          <see langword="true" /> if <paramref name="s" /> was converted successfully; otherwise, <see langword="false" />.</returns>
+        <returns><see langword="true" /> if <paramref name="s" /> was converted successfully; otherwise, <see langword="false" />.</returns>
         <remarks>
           <format type="text/markdown"><![CDATA[  
   
diff --git a/xml/System/Enum.xml b/xml/System/Enum.xml
index 84080a6b0a2..667ad781476 100644
--- a/xml/System/Enum.xml
+++ b/xml/System/Enum.xml
@@ -3145,11 +3145,11 @@ thisInstance And flag = flag
         <Parameter Name="result" Type="System.Object" RefType="out" Index="2" FrameworkAlternate="netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netstandard-2.1" />
       </Parameters>
       <Docs>
-        <param name="enumType">To be added.</param>
-        <param name="value">To be added.</param>
-        <param name="result">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="enumType">The enum type to use for parsing.</param>
+        <param name="value">The string representation of the name or numeric value of one or more enumerated constants.</param>
+        <param name="result">When this method returns <see langword="true" />, an object containing an enumeration constant representing the parsed value.</param>
+        <summary>Converts the string representation of the name or numeric value of one or more enumerated constants to an equivalent enumerated object.</summary>
+        <returns><see langword="true" /> if the conversion succeeded; <see langword="false" /> otherwise.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -3183,12 +3183,12 @@ thisInstance And flag = flag
         <Parameter Name="result" Type="System.Object" RefType="out" Index="3" FrameworkAlternate="netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netstandard-2.1" />
       </Parameters>
       <Docs>
-        <param name="enumType">To be added.</param>
-        <param name="value">To be added.</param>
-        <param name="ignoreCase">To be added.</param>
-        <param name="result">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="enumType">The enum type to use for parsing.</param>
+        <param name="value">The string representation of the name or numeric value of one or more enumerated constants.</param>
+        <param name="ignoreCase"><see langword="true" /> to read <paramref name="value" /> in case insensitive mode; <see langword="false" /> to read <paramref name="value" /> in case sensitive mode.</param>
+        <param name="result">When this method returns <see langword="true" />, an object containing an enumeration constant representing the parsed value.</param>
+        <summary>Converts the string representation of the name or numeric value of one or more enumerated constants to an equivalent enumerated object.</summary>
+        <returns><see langword="true" /> if the conversion succeeded; <see langword="false" /> otherwise.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
diff --git a/xml/System/Guid.xml b/xml/System/Guid.xml
index 91f4494a96b..664a7d0ee67 100644
--- a/xml/System/Guid.xml
+++ b/xml/System/Guid.xml
@@ -1713,8 +1713,8 @@ Because the `provider` parameter is ignored, you cannot use it to provide a cust
         <Parameter Name="result" Type="System.Guid" RefType="out" Index="1" FrameworkAlternate="netcore-2.1;netcore-2.2;netcore-3.0;netstandard-2.1" />
       </Parameters>
       <Docs>
-        <param name="input">A span containing the characters representing GUID to convert.</param>
-        <param name="result">The structure to contain the parsed value. If the method returns <see langword="true" />, <paramref name="result" /> contains a valid <see cref="T:System.Guid" />. If the method returns <see langword="false" />, <paramref name="result" /> equals <see cref="F:System.Guid.Empty" />.</param>
+        <param name="input">A span containing the characters representing the GUID to convert.</param>
+        <param name="result">A <see cref="T:System.Guid" /> instance to contain the parsed value. If the method returns <see langword="true" />, <paramref name="result" /> contains a valid <see cref="T:System.Guid" />. If the method returns <see langword="false" />, <paramref name="result" /> equals <see cref="F:System.Guid.Empty" />.</param>
         <summary>Converts the specified read-only span of characters containing the representation of a GUID to the equivalent <see cref="T:System.Guid" /> structure.</summary>
         <returns>
           <see langword="true" /> if the parse operation was successful; otherwise, <see langword="false" />.</returns>
@@ -1756,11 +1756,10 @@ Because the `provider` parameter is ignored, you cannot use it to provide a cust
         <Parameter Name="result" Type="System.Guid" RefType="out" Index="1" FrameworkAlternate="dotnet-uwp-10.0;netcore-1.0;netcore-1.1;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netstandard-1.0;netstandard-1.1;netstandard-1.2;netstandard-1.3;netstandard-1.4;netstandard-1.5;netstandard-1.6;netstandard-2.0;netstandard-2.1;xamarinandroid-7.1;xamarinios-10.8;xamarinmac-3.0" />
       </Parameters>
       <Docs>
-        <param name="input">The GUID to convert.</param>
-        <param name="result">The structure that will contain the parsed value. If the method returns <see langword="true" />, <paramref name="result" /> contains a valid <see cref="T:System.Guid" />. If the method returns <see langword="false" />, <paramref name="result" /> equals <see cref="F:System.Guid.Empty" />.</param>
+        <param name="input">A string containing the GUID to convert.</param>
+        <param name="result">A <see cref="T:System.Guid" /> instance to contain the parsed value. If the method returns <see langword="true" />, <paramref name="result" /> contains a valid <see cref="T:System.Guid" />. If the method returns <see langword="false" />, <paramref name="result" /> equals <see cref="F:System.Guid.Empty" />.</param>
         <summary>Converts the string representation of a GUID to the equivalent <see cref="T:System.Guid" /> structure.</summary>
-        <returns>
-          <see langword="true" /> if the parse operation was successful; otherwise, <see langword="false" />.</returns>
+        <returns><see langword="true" /> if the parse operation was successful; otherwise, <see langword="false" />.</returns>
         <remarks>
           <format type="text/markdown"><![CDATA[