diff --git a/user_guide/libraries/file_uploading.html b/user_guide/libraries/file_uploading.html
index d143f5b..061d556 100644
--- a/user_guide/libraries/file_uploading.html
+++ b/user_guide/libraries/file_uploading.html
@@ -318,6 +318,12 @@
 <td class="td">TRUE/FALSE (boolean)</td>
 <td class="td">If set to TRUE, any spaces in the file name will be converted to underscores. This is recommended.</td>
 </tr>
+<tr>
+<td class="td"><strong>xss_clean</strong></td>
+<td class="td">FALSE</td>
+<td class="td">TRUE/FALSE (boolean)</td>
+<td class="td">If set to TRUE, the files will be tested for XSS vulnerabilities.</td> 
+</tr>
 </table>