diff --git a/hgext/parentrevspec.py b/hgext/parentrevspec.py
--- a/hgext/parentrevspec.py
+++ b/hgext/parentrevspec.py
@@ -7,8 +7,8 @@
 
 '''interpret suffixes to refer to ancestor revisions
 
-This extension allows you to use git-style suffixes to refer to the ancestors
-of a specific revision.
+This extension allows you to use git-style suffixes to refer to the
+ancestors of a specific revision.
 
 For example, if you can refer to a revision as "foo", then::