diff -r 96bffce40f5b -r a2880ac67ee0 mercurial/help.py
--- a/mercurial/help.py	Fri Sep 14 22:23:02 2018 +0900
+++ b/mercurial/help.py	Fri Sep 14 22:25:44 2018 +0900
@@ -219,6 +219,8 @@
      loaddoc('revlogs', subdir='internals')),
     (['wireprotocol'], _('Wire Protocol'),
      loaddoc('wireprotocol', subdir='internals')),
+    (['wireprotocolrpc'], _('Wire Protocol RPC'),
+     loaddoc('wireprotocolrpc', subdir='internals')),
     (['wireprotocolv2'], _('Wire Protocol Version 2'),
      loaddoc('wireprotocolv2', subdir='internals')),
 ])