diff -r 0436c231ac48 -r 407acc41beb5 schemas/workflow.py
--- a/schemas/workflow.py	Wed Jan 09 18:37:48 2013 +0100
+++ b/schemas/workflow.py	Fri Jan 18 11:36:21 2013 +0100
@@ -79,7 +79,7 @@
     state_of = SubjectRelation('Workflow', cardinality='1*', composite='object',
                                description=_('workflow to which this state belongs'),
                                constraints=[RQLUniqueConstraint('S name N, Y state_of O, Y name N', 'Y',
-                                                                _('workflow already have a state of that name'))])
+                                                                _('workflow already has a state of that name'))])
 
 
 class BaseTransition(EntityType):