diff --git a/user_guide/libraries/image_lib.html b/user_guide/libraries/image_lib.html
index 2b239e8..f905b88 100644
--- a/user_guide/libraries/image_lib.html
+++ b/user_guide/libraries/image_lib.html
@@ -261,7 +261,7 @@
 <td class="td">TRUE</td>
 <td class="td">TRUE/FALSE (boolean)</td>
 <td class="td">Specifies whether to maintain the original aspect ratio when resizing or use hard values.</td>
-<td class="td">R</td>
+<td class="td">R, C</td>
 </tr>