diff --git a/user_guide/libraries/file_uploading.html b/user_guide/libraries/file_uploading.html
index baa179f..fb97697 100644
--- a/user_guide/libraries/file_uploading.html
+++ b/user_guide/libraries/file_uploading.html
@@ -288,6 +288,12 @@
 <td class="td">The maximum height (in pixels) that the file can be.  Set to zero for no limit.</td>
 </tr>
 
+<tr>
+<td class="td"><strong>max_filename</strong></td>
+<td class="td">0</td>
+<td class="td">None</td>
+<td class="td">The maximum length that a file name can be.  Set to zero for no limit.</td>
+</tr>
 
 <tr>
 <td class="td"><strong>encrypt_name</strong></td>