diff -r 4435d4c951ec -r d5883fd055c6 hgext/extdiff.py
--- a/hgext/extdiff.py	Thu Aug 25 01:00:26 2016 -0400
+++ b/hgext/extdiff.py	Tue Aug 23 11:26:08 2016 -0400
@@ -84,11 +84,11 @@
 
 cmdtable = {}
 command = cmdutil.command(cmdtable)
-# Note for extension authors: ONLY specify testedwith = 'internal' for
+# Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for
 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should
 # be specifying the version(s) of Mercurial they are tested with, or
 # leave the attribute unspecified.
-testedwith = 'internal'
+testedwith = 'ships-with-hg-core'
 
 def snapshot(ui, repo, files, node, tmproot, listsubrepos):
     '''snapshot files as of some revision