--- a/mercurial/localrepo.py	Thu Jan 21 23:22:12 2021 -0500
+++ b/mercurial/localrepo.py	Thu Jan 21 23:24:58 2021 -0500
@@ -600,9 +600,7 @@
                 )
             elif mismatch_config == b'abort':
                 raise error.Abort(
-                    _(
-                        b"share source does not support exp-sharesafe requirement"
-                    ),
+                    _(b"share source does not support share-safe requirement"),
                     hint=hint,
                 )
             else: