Add langword for false

Co-authored-by: Carlos Sánchez López <[email protected]>

Author: lonitra

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

@@ -66,7 +66,7 @@
       </Parameters>
       <Docs>
         <param name="disposing">
-          <see langword="true" /> to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
+          <see langword="true" /> to release both managed and unmanaged resources; <see langword="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>