Multi node check added, additional documentation
diff --git a/TestON/tests/FuncPlatform/Dependency/App.py b/TestON/tests/FuncPlatform/Dependency/App.py
index ceb0023..3e205d6 100644
--- a/TestON/tests/FuncPlatform/Dependency/App.py
+++ b/TestON/tests/FuncPlatform/Dependency/App.py
@@ -41,7 +41,7 @@
                 main.appList[app] ) 
         except KeyError:
             main.log.error( 'There was an error with the key '+
-                    str(app) )
+                    str(app) + '. Check the appList dictionary' )
             return main.FALSE
 
     return main.TRUE