diff --git a/xml/System/Boolean.xml b/xml/System/Boolean.xml
index 2ea59908470..8487db9946b 100644
--- a/xml/System/Boolean.xml
+++ b/xml/System/Boolean.xml
@@ -663,9 +663,9 @@
         <Parameter Name="value" Type="System.ReadOnlySpan&lt;System.Char&gt;" Index="0" FrameworkAlternate="netcore-2.1;netcore-2.2;netcore-3.0;netstandard-2.1" />
       </Parameters>
       <Docs>
-        <param name="value">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>
+        <summary>Converts 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" /> is equivalent to <see cref="F:System.Boolean.TrueString" />; <see langword="false" /> if <paramref name="value" /> is equivalent to <see cref="F:System.Boolean.FalseString" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -707,8 +707,7 @@
       <Docs>
         <param name="value">A string containing the value to convert.</param>
         <summary>Converts 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" /> is equivalent to <see cref="F:System.Boolean.TrueString" />; <see langword="false" /> if <paramref name="value" /> is equivalent to <see cref="F:System.Boolean.FalseString" />.</returns>
+        <returns><see langword="true" /> if <paramref name="value" /> is equivalent to <see cref="F:System.Boolean.TrueString" />; <see langword="false" /> if <paramref name="value" /> is equivalent to <see cref="F:System.Boolean.FalseString" />.</returns>
         <remarks>
           <format type="text/markdown"><![CDATA[  
   
diff --git a/xml/System/Byte.xml b/xml/System/Byte.xml
index 0b1baa225be..3d57561a1ee 100644
--- a/xml/System/Byte.xml
+++ b/xml/System/Byte.xml
@@ -978,11 +978,11 @@
         <Parameter Name="provider" Type="System.IFormatProvider" Index="2" 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>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="s">A span containing the characters representing the value to convert.</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 information about the format of <paramref name="s" />. If <paramref name="provider" /> is <see langword="null" />, the thread current culture is used.</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.</summary>
+        <returns>A byte value that is equivalent to the number contained in <paramref name="s" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
diff --git a/xml/System/DateTimeOffset.xml b/xml/System/DateTimeOffset.xml
index 153cc6569dd..1f8489cad9d 100644
--- a/xml/System/DateTimeOffset.xml
+++ b/xml/System/DateTimeOffset.xml
@@ -3504,11 +3504,11 @@
         <Parameter Name="styles" Type="System.Globalization.DateTimeStyles" Index="2" 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>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="input">A span containing the characters that represent a date and time to convert.</param>
+        <param name="formatProvider">An object that provides culture-specific format information about <paramref name="input" />.</param>
+        <param name="styles">A bitwise combination of enumeration values that indicates the permitted format of <paramref name="input" />. A typical value to specify is <see cref="F:System.Globalization.DateTimeStyles.None" />.</param>
+        <summary>Converts the specified span representation of a date and time to its <see cref="T:System.DateTimeOffset" /> equivalent using the specified culture-specific format information and formatting style.</summary>
+        <returns>An object that is equivalent to the date and time that is contained in <paramref name="input" /> as specified by <paramref name="formatProvider" /> and <paramref name="styles" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
diff --git a/xml/System/Decimal.xml b/xml/System/Decimal.xml
index 61837370412..69140aa8a21 100644
--- a/xml/System/Decimal.xml
+++ b/xml/System/Decimal.xml
@@ -4599,11 +4599,11 @@
         <Parameter Name="provider" Type="System.IFormatProvider" Index="2" 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>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="s">The 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 style elements that can be present in <paramref name="s" />. A typical value to specify is <see cref="F:System.Globalization.NumberStyles.Number" />.</param>
+        <param name="provider">An <see cref="T:System.IFormatProvider" /> object that supplies culture-specific information about the format of <paramref name="s" />.</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.</summary>
+        <returns>The <see cref="T:System.Decimal" /> number equivalent to the number contained in <paramref name="s" /> as specified by <paramref name="style" /> and <paramref name="provider" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
diff --git a/xml/System/Double.xml b/xml/System/Double.xml
index 5b5e5c4214e..cadbf42d1b5 100644
--- a/xml/System/Double.xml
+++ b/xml/System/Double.xml
@@ -2133,11 +2133,11 @@
         <Parameter Name="provider" Type="System.IFormatProvider" Index="2" 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>
-        <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 indicate the style elements that can be present in <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 object that supplies culture-specific formatting information about <paramref name="s" />.</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.</summary>
+        <returns>A double-precision floating-point number that is equivalent to the numeric value or symbol specified in <paramref name="s" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
diff --git a/xml/System/Guid.xml b/xml/System/Guid.xml
index 91f4494a96b..c12d9e33677 100644
--- a/xml/System/Guid.xml
+++ b/xml/System/Guid.xml
@@ -1077,8 +1077,7 @@ Use the <xref:System.Guid.TryParse%2A> method to catch any unsuccessful parse op
 
 -or-
 
-After trimming, the length of the read-only character span is 0.                  
-        </exception>
+After trimming, the length of the read-only character span is 0.</exception>
       </Docs>
     </Member>
     <Member MemberName="Parse">
diff --git a/xml/System/Int16.xml b/xml/System/Int16.xml
index 6a8fa4452fb..e16dd91a670 100644
--- a/xml/System/Int16.xml
+++ b/xml/System/Int16.xml
@@ -904,11 +904,11 @@
         <Parameter Name="provider" Type="System.IFormatProvider" Index="2" 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>
-        <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 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 <see cref="T:System.IFormatProvider" /> that supplies culture-specific formatting information about <paramref name="s" />.</param>
+        <summary>Converts the span representation of a number in a specified style and culture-specific format to its 16-bit signed integer equivalent.</summary>
+        <returns>A 16-bit signed integer equivalent to the number specified in <paramref name="s" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
diff --git a/xml/System/Int32.xml b/xml/System/Int32.xml
index ba87b89bb1f..00af84d0b44 100644
--- a/xml/System/Int32.xml
+++ b/xml/System/Int32.xml
@@ -977,11 +977,11 @@
         <Parameter Name="provider" Type="System.IFormatProvider" Index="2" 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>
-        <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 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 information about the format of <paramref name="s" />.</param>
+        <summary>Converts the span representation of a number in a specified style and culture-specific format to its 32-bit signed integer equivalent.</summary>
+        <returns>A 32-bit signed integer equivalent to the number specified in <paramref name="s" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
diff --git a/xml/System/Int64.xml b/xml/System/Int64.xml
index 59eed3b33b5..af9d4e68d72 100644
--- a/xml/System/Int64.xml
+++ b/xml/System/Int64.xml
@@ -931,11 +931,11 @@
         <Parameter Name="provider" Type="System.IFormatProvider" Index="2" 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>
-        <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 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 <see cref="T:System.IFormatProvider" /> that supplies culture-specific formatting information about <paramref name="s" />.</param>
+        <summary>Converts the span representation of a number in a specified style and culture-specific format to its 64-bit signed integer equivalent.</summary>
+        <returns>A 64-bit signed integer equivalent to the number specified in <paramref name="s" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
diff --git a/xml/System/SByte.xml b/xml/System/SByte.xml
index 516b6b6bf56..ddc867b3c6b 100644
--- a/xml/System/SByte.xml
+++ b/xml/System/SByte.xml
@@ -912,11 +912,11 @@
         <Parameter Name="provider" Type="System.IFormatProvider" Index="2" 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>
-        <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 by using the style specified by <paramref name="style" />.</param>
+        <param name="style">A bitwise combination of the 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>
+        <summary>Converts the span representation of a number that is in a specified style and culture-specific format to its 8-bit signed equivalent.</summary>
+        <returns>An 8-bit signed byte value that is equivalent to the number specified in the <paramref name="s" /> parameter.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
diff --git a/xml/System/Single.xml b/xml/System/Single.xml
index bb090ca57ca..b89ecf70a7a 100644
--- a/xml/System/Single.xml
+++ b/xml/System/Single.xml
@@ -2162,11 +2162,11 @@
         <Parameter Name="provider" Type="System.IFormatProvider" Index="2" 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>
-        <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 style elements that can be present in <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 object that supplies culture-specific formatting information about <paramref name="s" />.</param>
+        <summary>Converts the span representation of a number in a specified style and culture-specific format to its single-precision floating-point number equivalent.</summary>
+        <returns>A single-precision floating-point number equivalent to the numeric value or symbol specified in <paramref name="s" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
diff --git a/xml/System/TimeSpan.xml b/xml/System/TimeSpan.xml
index 7749f342a73..652163fc4c3 100644
--- a/xml/System/TimeSpan.xml
+++ b/xml/System/TimeSpan.xml
@@ -2876,10 +2876,10 @@ When a time interval component in the string to be parsed contains more than sev
         <Parameter Name="formatProvider" Type="System.IFormatProvider" 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="formatProvider">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="input">A span containing the characters that represent the time interval to convert.</param>
+        <param name="formatProvider">An object that supplies culture-specific formatting information.</param>
+        <summary>Converts the span representation of a time interval to its <see cref="T:System.TimeSpan" /> equivalent by using the specified culture-specific format information.</summary>
+        <returns>A time interval that corresponds to <paramref name="input" />, as specified by <paramref name="formatProvider" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
diff --git a/xml/System/UInt16.xml b/xml/System/UInt16.xml
index c07b3906569..714e8c48f1c 100644
--- a/xml/System/UInt16.xml
+++ b/xml/System/UInt16.xml
@@ -943,11 +943,11 @@
         <Parameter Name="provider" Type="System.IFormatProvider" Index="2" 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>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="s">A span containing the characters that represent the number to convert. The span is interpreted by using the style specified by the <paramref name="style" /> parameter.</param>
+        <param name="style">A bitwise combination of enumeration values that indicate 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" />.</param>
+        <summary>Converts the span representation of a number in a specified style and culture-specific format to its 16-bit unsigned integer equivalent.</summary>
+        <returns>A 16-bit unsigned integer equivalent to the number specified in <paramref name="s" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
diff --git a/xml/System/UInt32.xml b/xml/System/UInt32.xml
index 075ce4b234a..8703253b534 100644
--- a/xml/System/UInt32.xml
+++ b/xml/System/UInt32.xml
@@ -957,11 +957,11 @@
         <Parameter Name="provider" Type="System.IFormatProvider" Index="2" 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>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="s">A span containing the characters that represent the number to convert. The span is interpreted by using the style specified by the <paramref name="style" /> parameter.</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" />.</param>
+        <summary>Converts the span representation of a number in a specified style and culture-specific format to its 32-bit unsigned integer equivalent.</summary>
+        <returns>A 32-bit unsigned integer equivalent to the number specified in <paramref name="s" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
diff --git a/xml/System/UInt64.xml b/xml/System/UInt64.xml
index 6066592ed3c..86659ec205e 100644
--- a/xml/System/UInt64.xml
+++ b/xml/System/UInt64.xml
@@ -941,11 +941,11 @@
         <Parameter Name="provider" Type="System.IFormatProvider" Index="2" 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>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="s">A span containing the characters that represent the number to convert. The span is interpreted by using the style specified by the <paramref name="style" /> parameter.</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" />.</param>
+        <summary>Converts the span representation of a number in a specified style and culture-specific format to its 64-bit unsigned integer equivalent.</summary>
+        <returns>A 64-bit unsigned integer equivalent to the number specified in <paramref name="s" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>