--- a/doc/hgmanpage.py	Fri Aug 17 13:58:18 2012 -0700
+++ b/doc/hgmanpage.py	Fri Aug 17 13:58:18 2012 -0700
@@ -900,7 +900,7 @@
         # ``.PP`` : Start standard indented paragraph.
         # ``.LP`` : Start block paragraph, all except the first.
         # ``.P [type]``  : Start paragraph type.
-        # NOTE dont use paragraph starts because they reset indentation.
+        # NOTE don't use paragraph starts because they reset indentation.
         # ``.sp`` is only vertical space
         self.ensure_eol()
         self.body.append('.sp\n')