diff -r 9c9e0b4b2ca7 -r d46646ce3158 mercurial/localrepo.py
--- a/mercurial/localrepo.py	Thu Jan 14 11:53:55 2021 -0800
+++ b/mercurial/localrepo.py	Fri Jan 15 01:21:58 2021 +0100
@@ -2618,7 +2618,7 @@
             return
 
         if tr is None or tr.changes[b'origrepolen'] < len(self):
-            # accessing the 'ser ved' branchmap should refresh all the others,
+            # accessing the 'served' branchmap should refresh all the others,
             self.ui.debug(b'updating the branch cache\n')
             self.filtered(b'served').branchmap()
             self.filtered(b'served.hidden').branchmap()