Apply suggestions from code review

Co-authored-by: Genevieve Warren <[email protected]>

Author: lonitra

xml/System.Drawing/SystemColors.xml

@@ -1344,11 +1344,11 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>Gets or sets whether the alternative color set is used.</summary>
+        <summary>Gets or sets a value that indicates whether the alternative color set is used.</summary>
         <value>When <see langword="true"/>, system <see cref="T:System.Drawing.KnownColor"/> values will return the alternative color set (as returned by <see cref="T:System.Drawing.SystemColors"/> statics or <see cref="M:System.Drawing.Color.FromKnownColor(System.Drawing.KnownColor)"/>). This is currently "dark mode" variants of the system colors.</value>
         <remarks>
           <para><see cref="T:System.Drawing.KnownColor"/> <see cref="T:System.Drawing.Color"/> values are always looked up every time you use them and do not retain any other context. As such, existing <see cref="T:System.Drawing.Color"/> values will change when this property is set.</para>
-          <para>On Windows, system <see cref="T:System.Drawing.KnownColor"/> values will always return the current Windows color when the OS has a high contrast theme enabled.</para>
+          <para>On Windows, system <see cref="T:System.Drawing.KnownColor"/> values always return the current Windows color when the OS has a high contrast theme enabled.</para>
         </remarks>
       </Docs>
     </Member>