Apply suggestions from code review

Co-authored-by: Carlos Sánchez López <1175054+carlossanlop@users.noreply.github.com>

xml/System.Drawing.Imaging.Effects/Effect.xml

@@ -65,8 +65,9 @@
         <Parameter Name="disposing" Type="System.Boolean" />
       </Parameters>
       <Docs>
-        <param name="disposing"><see langword="true"/> if managed resources should be disposed; otherwise, <see langword="false"/>.</param>
-        <summary>Releases the resources that are used by the object.</summary>
+        <param name="disposing">
+          <see langword="true" /> to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
+        <summary>Releases the unmanaged resources used by the <see cref="T:System.Drawing.Imaging.Effects.Effect" /> and optionally releases the managed resources.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>

xml/System.Drawing/SystemColors.xml

@@ -1345,10 +1345,10 @@
       </ReturnValue>
       <Docs>
         <summary>Gets or sets whether the alternative color set is used.</summary>
-        <value>When <see langword="true"/>, system <see cref="KnownColor"/> values will return the alternative color set (as returned by <see cref="SystemColors"/> statics or <see cref="Color.FromKnownColor(KnownColor)"/>). This is currently "dark mode" variants of the system colors.</value>
+        <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="KnownColor"/> <see cref="Color"/> values are always looked up every time you use them and do not retain any other context. As such, existing <see cref="Color"/> values will change when this property is set.</para>
-          <para>On Windows, system <see cref="KnownColor"/> values will always return the current Windows color when the OS has a high contrast theme enabled.</para>
+          <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>
         </remarks>
       </Docs>
     </Member>