diff -r e54171abd3ed -r 24d9b86dfa54 server/querier.py
--- a/server/querier.py	Wed Oct 09 12:10:44 2013 +0200
+++ b/server/querier.py	Fri Aug 30 15:34:58 2013 +0200
@@ -632,7 +632,7 @@
             results = plan.execute()
         except (Unauthorized, ValidationError):
             # getting an Unauthorized/ValidationError exception means the
-            # transaction must been rollbacked
+            # transaction must be rolled back
             #
             # notes:
             # * we should not reset the connections set here, since we don't want the