diff -r 9c6473d2038b -r c303d65d2e34 hgext/churn.py
--- a/hgext/churn.py	Fri Oct 12 17:57:36 2018 +0200
+++ b/hgext/churn.py	Sat Oct 13 02:17:41 2018 -0700
@@ -116,6 +116,7 @@
     ('', 'aliases', '', _('file with email aliases'), _('FILE')),
     ] + cmdutil.walkopts,
     _("hg churn [-d DATE] [-r REV] [--aliases FILE] [FILE]"),
+    helpcategory=command.CATEGORY_MAINTENANCE,
     inferrepo=True)
 def churn(ui, repo, *pats, **opts):
     '''histogram of changes to the repository