--- a/hgext/obsolete.py	Sat Aug 04 12:06:34 2012 +0200
+++ b/hgext/obsolete.py	Sat Aug 04 12:28:21 2012 +0200
@@ -997,7 +997,7 @@
         return
 
     if not util.safehasattr(repo.opener, 'tryread'):
-        raise util.Abort('Obsolete extension require Mercurial 2.2 (or later)')
+        raise util.Abort('Obsolete extension requires Mercurial 2.2 (or later)')
     opull = repo.pull
     opush = repo.push
     olock = repo.lock