--- a/hgext/split.py	Fri Oct 12 17:57:36 2018 +0200
+++ b/hgext/split.py	Sat Oct 13 02:17:41 2018 -0700
@@ -48,7 +48,8 @@
     [('r', 'rev', '', _("revision to split"), _('REV')),
      ('', 'rebase', True, _('rebase descendants after split')),
     ] + cmdutil.commitopts2,
-    _('hg split [--no-rebase] [[-r] REV]'))
+    _('hg split [--no-rebase] [[-r] REV]'),
+    helpcategory=command.CATEGORY_CHANGE_MANAGEMENT)
 def split(ui, repo, *revs, **opts):
     """split a changeset into smaller ones