diff --git a/xml/System.Windows.Forms/TabControl.xml b/xml/System.Windows.Forms/TabControl.xml
index a3240a258ae..b7591b8c437 100644
--- a/xml/System.Windows.Forms/TabControl.xml
+++ b/xml/System.Windows.Forms/TabControl.xml
@@ -751,12 +751,11 @@
   
  ]]></format>
         </remarks>
-        <exception cref="T:System.ArgumentNullException">
-          <paramref name="tabPageName" /> is <see langword="null" />.  
+        <exception cref="T:System.ArgumentNullException">The <paramref name="tabPageName" /> argument is <see langword="null" />.  
   
  -or-  
   
- <paramref name="tabPageName" /> does not match the <see cref="P:System.Windows.Forms.Control.Name" /> property of any <see cref="T:System.Windows.Forms.TabPage" /> in the <see cref="P:System.Windows.Forms.TabControl.TabPages" /> collection.</exception>
+ The <paramref name="tabPageName" /> argument does not match the <see cref="P:System.Windows.Forms.Control.Name" /> property of any <see cref="T:System.Windows.Forms.TabPage" /> in the <see cref="P:System.Windows.Forms.TabControl.TabPages" /> collection.</exception>
         <altmember cref="T:System.Windows.Forms.TabPage" />
         <altmember cref="Overload:System.Windows.Forms.TabControl.SelectTab" />
         <altmember cref="P:System.Windows.Forms.TabControl.SelectedIndex" />
@@ -804,8 +803,7 @@
  -or-  
   
  <paramref name="tabPage" /> is not in the <see cref="P:System.Windows.Forms.TabControl.TabPages" /> collection.</exception>
-        <exception cref="T:System.ArgumentNullException">
-          <paramref name="tabPage" /> is <see langword="null" />.</exception>
+        <exception cref="T:System.ArgumentNullException">The <paramref name="tabPage" /> argument is <see langword="null" />.</exception>
         <altmember cref="T:System.Windows.Forms.TabPage" />
         <altmember cref="Overload:System.Windows.Forms.TabControl.SelectTab" />
         <altmember cref="P:System.Windows.Forms.TabControl.SelectedIndex" />
@@ -1248,6 +1246,8 @@
         <summary>Gets the ToolTip for the specified <see cref="T:System.Windows.Forms.TabPage" />.</summary>
         <returns>The ToolTip text.</returns>
         <remarks>To be added.</remarks>
+        <exception cref="T:System.ArgumentNullException">.NET 5.0 and later: The <paramref name="item" /> argument is <see langword="null" />.</exception>
+        <exception cref="T:System.ArgumentException">.NET 5.0 and later: The <paramref name="item" /> argument is not of type <see cref="T:System.Windows.Forms.TabPage" />.</exception>
       </Docs>
     </Member>
     <Member MemberName="HotTrack">
@@ -2715,12 +2715,11 @@
   
  ]]></format>
         </remarks>
-        <exception cref="T:System.ArgumentNullException">
-          <paramref name="tabPageName" /> is <see langword="null" />.  
+        <exception cref="T:System.ArgumentNullException">The <paramref name="tabPageName" /> argument is <see langword="null" />.  
   
  -or-  
   
- <paramref name="tabPageName" /> does not match the <see cref="P:System.Windows.Forms.Control.Name" /> property of any <see cref="T:System.Windows.Forms.TabPage" /> in the <see cref="P:System.Windows.Forms.TabControl.TabPages" /> collection.</exception>
+ The <paramref name="tabPageName" /> argument does not match the <see cref="P:System.Windows.Forms.Control.Name" /> property of any <see cref="T:System.Windows.Forms.TabPage" /> in the <see cref="P:System.Windows.Forms.TabControl.TabPages" /> collection.</exception>
         <altmember cref="T:System.Windows.Forms.TabPage" />
         <altmember cref="Overload:System.Windows.Forms.TabControl.DeselectTab" />
         <altmember cref="P:System.Windows.Forms.TabControl.SelectedIndex" />
@@ -2768,8 +2767,7 @@
  -or-  
   
  <paramref name="tabPage" /> is not in the <see cref="P:System.Windows.Forms.TabControl.TabPages" /> collection.</exception>
-        <exception cref="T:System.ArgumentNullException">
-          <paramref name="tabPage" /> is <see langword="null" />.</exception>
+        <exception cref="T:System.ArgumentNullException">The <paramref name="tabPage" /> argument is <see langword="null" />.</exception>
         <altmember cref="Overload:System.Windows.Forms.TabControl.DeselectTab" />
         <altmember cref="T:System.Windows.Forms.TabPage" />
         <altmember cref="P:System.Windows.Forms.TabControl.SelectedIndex" />