fix typos in comments.

product/ERP5/Document/Alarm.py

@@ -119,7 +119,7 @@ class Alarm(XMLObject, PeriodicityMixin):
       if not checkPermission(Permissions.ManagePortal, self):
         raise Unauthorized('fixing problems or activating a disabled alarm is not allowed')
 
-    # Use UnrestrictedMethod, so that the behavior would not
+    # Use UnrestrictedMethod, so that the behaviour would not
     # change even if this method is invoked by random users.
     @UnrestrictedMethod
     def _activeSense():
@@ -160,7 +160,7 @@ class Alarm(XMLObject, PeriodicityMixin):
           self.activate(after_tag=tag).notify(include_active=True, params=params)
 
     # switch to nobody temporarily so that unrestricted _activeSense
-    # is already invoked by system user.
+    # is always invoked by system user.
     sm = getSecurityManager()
     newSecurityManager(None, nobody)
     try: