--- a/mercurial/help.py	Thu Nov 14 11:33:05 2019 +0100
+++ b/mercurial/help.py	Wed Nov 13 21:52:25 2019 -0500
@@ -311,7 +311,7 @@
     """Return a delayed loader for help/topic.txt."""
 
     def loader(ui):
-        docdir = os.path.join(util.datapath, b'help')
+        docdir = os.path.join(util.datapath, b'helptext')
         if subdir:
             docdir = os.path.join(docdir, subdir)
         path = os.path.join(docdir, topic + b".txt")