update modeler manual

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@41823 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/docs/wxGUI.Modeler.html

@@ -17,6 +17,7 @@ The modeler currently allows to:
   <li>validate model
   <li>run model
   <li>store model settings to the file (GRASS Model File|*.gxm)
+  <li>export model settings into Python script
 </ul>
 
 <h2>AUTHORS</h2>