diff --git a/mercurial/help/config.txt b/mercurial/help/config.txt
--- a/mercurial/help/config.txt
+++ b/mercurial/help/config.txt
@@ -1382,7 +1382,7 @@ User interface controls.
     remote command to use for clone/push/pull operations. Default is ``hg``.
 
 ``reportoldssl``
-    Warn if an SSL certificate is unable to be due to using Python
+    Warn if an SSL certificate is unable to be used due to using Python
     2.5 or earlier. True or False. Default is True.
 
 ``report_untrusted``