diff -r 63e45aee46d4 -r 31f32a96e1e3 mercurial/commands.py
--- a/mercurial/commands.py	Tue Sep 11 00:12:07 2012 +0200
+++ b/mercurial/commands.py	Tue Sep 11 08:36:09 2012 -0700
@@ -1696,7 +1696,7 @@
     """format the changelog or an index DAG as a concise textual description
 
     If you pass a revlog index, the revlog's DAG is emitted. If you list
-    revision numbers, they get labelled in the output as rN.
+    revision numbers, they get labeled in the output as rN.
 
     Otherwise, the changelog DAG of the current repo is emitted.
     """