--- a/mercurial/parsers.c	Fri Aug 28 12:18:12 2015 -0400
+++ b/mercurial/parsers.c	Fri Aug 28 10:53:55 2015 -0400
@@ -682,7 +682,7 @@
 } nodetree;
 
 /*
- * This class has two behaviours.
+ * This class has two behaviors.
  *
  * When used in a list-like way (with integer keys), we decode an
  * entry in a RevlogNG index file on demand. Our last entry is a