--- a/tests/test-pathencode.py	Fri Aug 28 12:18:12 2015 -0400
+++ b/tests/test-pathencode.py	Fri Aug 28 10:53:55 2015 -0400
@@ -2,7 +2,7 @@
 # time it is invoked, and tests the encoding of those pathnames.
 #
 # It uses a simple probabilistic model to generate valid pathnames
-# that have proven likely to expose bugs and divergent behaviour in
+# that have proven likely to expose bugs and divergent behavior in
 # different encoding implementations.
 
 from mercurial import store