diff -r cdb613099571 -r 859e9244ec54 mercurial/commands.py
--- a/mercurial/commands.py	Thu Dec 17 14:54:20 2015 +0000
+++ b/mercurial/commands.py	Thu Dec 17 14:54:47 2015 +0000
@@ -325,7 +325,7 @@
     """show changeset information by line for each file
 
     List changes in files, showing the revision id responsible for
-    each line
+    each line.
 
     This command is useful for discovering when a change was made and
     by whom.