--- a/mercurial/context.py	Tue Aug 28 17:59:08 2012 -0500
+++ b/mercurial/context.py	Wed Aug 15 22:38:42 2012 +0200
@@ -237,7 +237,7 @@
 
     def extinct(self):
         """True if the changeset is extinct"""
-        # We should just compute a cache a check againts it.
+        # We should just compute a cache a check against it.
         # see revset implementation for details
         #
         # But this naive implementation does not require cache