Fix docs manpage generation

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)

docs/sources/conf.py

@@ -235,8 +235,8 @@ latex_documents = [
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    ('commandline/cli', 'docker', u'Docker Documentation',
-     [u'Team Docker'], 1)
+    ('reference/commandline/cli', 'docker', u'Docker CLI Documentation',
+     [u'Team Docker'], 1),
 ]
 
 # If true, show URL addresses after external links.