diff --git a/hgext/uncommit.py b/hgext/uncommit.py
--- a/hgext/uncommit.py
+++ b/hgext/uncommit.py
@@ -101,7 +101,7 @@
     return repo.commitctx(new)
 
 @command('uncommit',
-    [('', 'keep', None, _('allow an empty commit after uncommiting')),
+    [('', 'keep', None, _('allow an empty commit after uncommitting')),
      ('', 'allow-dirty-working-copy', False,
     _('allow uncommit with outstanding changes'))
     ] + commands.walkopts,