diff --git a/docs/manual/CoreTasks/javadoc.html b/docs/manual/CoreTasks/javadoc.html
index 1abc401be..496410c40 100644
--- a/docs/manual/CoreTasks/javadoc.html
+++ b/docs/manual/CoreTasks/javadoc.html
@@ -407,7 +407,7 @@ arguments.</p>
   </tr>
   <tr>
     <td valign="top">packages</td>
-    <td valign="top">List of packages to include in that group</td>
+    <td valign="top">List of packages to include in that group. Multiple packages are separated with ':'.</td>
     <td align="center" valign="top">Yes</td>
   </tr>
 </table>