On behave is a common error for on behalf. Please add this rule:
<rule id="ID" name="on behalf instead of on behave"> <pattern> <token>on</token> <token>behave</token> </pattern> <message>on behave is not valid in this context</message> <example type='incorrect'>They act <marker>on behave</marker> of a user</example> <example type='correct'>They act on behalf of a user</example> </rule>
Jan