diff -r 0e7550b0964c -r 2ed180117f76 mercurial/utils/stringutil.py
--- a/mercurial/utils/stringutil.py	Sat Mar 31 11:36:55 2018 -0400
+++ b/mercurial/utils/stringutil.py	Sat Mar 31 13:01:20 2018 -0400
@@ -300,7 +300,7 @@
     if not isauthorwellformed(author) or not mailmap:
         return author
 
-    # Turn the user name into a mailmaptup
+    # Turn the user name into a mailmapping
     commit = mailmapping(name=person(author), email=email(author))
 
     try: