diff -r 33461139c31c -r a1092e2d70a3 mercurial/help.py
--- a/mercurial/help.py	Thu Aug 18 15:13:56 2016 +0900
+++ b/mercurial/help.py	Mon Aug 22 19:46:39 2016 -0700
@@ -192,6 +192,8 @@
      loaddoc('requirements', subdir='internals')),
     (['revlogs'], _('Revision Logs'),
      loaddoc('revlogs', subdir='internals')),
+    (['wireprotocol'], _('Wire Protocol'),
+     loaddoc('wireprotocol', subdir='internals')),
 ])
 
 def internalshelp(ui):