diff --git a/lam/docs/manual-sources/howto.xml b/lam/docs/manual-sources/howto.xml
index 71ebf8a6..6f2a9627 100644
--- a/lam/docs/manual-sources/howto.xml
+++ b/lam/docs/manual-sources/howto.xml
@@ -4959,7 +4959,7 @@ Run slapindex to rebuild the index.
             </tr>
 
             <tr>
-              <th align="left" rowspan="23"><inlinemediaobject>
+              <th align="left" rowspan="24"><inlinemediaobject>
                   <imageobject>
                     <imagedata fileref="images/schema_user.png" />
                   </imageobject>
@@ -5097,6 +5097,12 @@ Run slapindex to rebuild the index.
               <td></td>
             </tr>
 
+            <tr>
+              <td>User certificates</td>
+
+              <td>Upload of user certificates in PEM or DER format</td>
+            </tr>
+
             <tr>
               <td>Web site</td>