diff --git a/hgext3rd/chistedit.py b/hgext3rd/chistedit.py
--- a/hgext3rd/chistedit.py
+++ b/hgext3rd/chistedit.py
@@ -547,7 +547,9 @@
     ('r', 'rev', [], _('first revision to be edited'))],
     _("ANCESTOR"))
 def chistedit(ui, repo, *freeargs, **opts):
-    """Provides a ncurses interface to histedit. Press ? in chistedit mode
+    """interactively edit changeset history via a curses interface
+
+    Provides a ncurses interface to histedit. Press ? in chistedit mode
     to see an extensive help. Requires python-curses to be installed."""
 
     if curses is None: