diff -r 220ee13946d3 -r ce26928cbe41 hgext/histedit.py
--- a/hgext/histedit.py	Fri Aug 28 12:18:12 2015 -0400
+++ b/hgext/histedit.py	Fri Aug 28 10:53:55 2015 -0400
@@ -144,7 +144,7 @@
 repo, you can add a ``--force`` option.
 
 Histedit rule lines are truncated to 80 characters by default. You
-can customise this behaviour by setting a different length in your
+can customise this behavior by setting a different length in your
 configuration file::
 
   [histedit]