diff --git a/hgext3rd/drop.py b/hgext3rd/drop.py
--- a/hgext3rd/drop.py
+++ b/hgext3rd/drop.py
@@ -76,7 +76,7 @@
 
 
 @command('drop',
-         [('r', 'rev', [], _("revisions to drop"))],
+         [('r', 'rev', [], _("revision to drop"))],
          _('hg drop [OPTION] [REV]'))
 def drop(ui, repo, *revs, **opts):
     """drop changeset from stack