diff -r 3dbc95f3eb31 -r aba2bb2a6d0f mercurial/help.py
--- a/mercurial/help.py	Fri Aug 05 15:01:16 2016 +0200
+++ b/mercurial/help.py	Sat Aug 06 17:04:22 2016 -0700
@@ -184,13 +184,13 @@
     return loader
 
 internalstable = sorted([
-    (['bundles'], _('container for exchange of repository data'),
+    (['bundles'], _('Bundles'),
      loaddoc('bundles', subdir='internals')),
-    (['changegroups'], _('representation of revlog data'),
+    (['changegroups'], _('Changegroups'),
      loaddoc('changegroups', subdir='internals')),
-    (['requirements'], _('repository requirements'),
+    (['requirements'], _('Repository Requirements'),
      loaddoc('requirements', subdir='internals')),
-    (['revlogs'], _('revision storage mechanism'),
+    (['revlogs'], _('Revision Logs'),
      loaddoc('revlogs', subdir='internals')),
 ])