diff -r aa5e256839d5 -r d968f4741a22 mercurial/help.py
--- a/mercurial/help.py	Tue Aug 12 03:09:26 2014 -0500
+++ b/mercurial/help.py	Tue Aug 12 03:12:24 2014 -0500
@@ -276,8 +276,8 @@
             mod = extensions.find(name)
             doc = gettext(mod.__doc__) or ''
             if '\n' in doc.strip():
-                msg = _('use "hg help -e %s" to show help for '
-                        'the %s extension') % (name, name)
+                msg = _('(use "hg help -e %s" to show help for '
+                        'the %s extension)') % (name, name)
                 rst.append('\n%s\n' % msg)
         except KeyError:
             pass