diff --git a/docs/manual/CoreTasks/exec.html b/docs/manual/CoreTasks/exec.html
index 613c0fd98..6c468112b 100644
--- a/docs/manual/CoreTasks/exec.html
+++ b/docs/manual/CoreTasks/exec.html
@@ -56,6 +56,12 @@ systems.</p>
       command should be stored.</td>
     <td align="center" valign="top">No</td>
   </tr>
+  <tr>
+    <td valign="top">resultproperty</td>
+    <td valign="top">the name of a property in which the return code of the 
+      command should be stored. Only of interest if failonerror=false</td>
+    <td align="center" valign="top">No</td>
+  </tr>
   <tr>
     <td valign="top">timeout</td>
     <td valign="top">Stop the command if it doesn't finish within the