diff --git a/docs/conf.py b/docs/conf.py
index 75186adbe..e746404fe 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -109,7 +109,7 @@
         'For the stable version documentation, see <a href="/en/stable/">here</a>.'
     ),
     '2.x-line': (
-        'marshmallow 2 will no longer be supported as of 2020-08-18. '
+        'marshmallow 2 is no longer be supported as of 2020-08-18. '
         '<a href="https://marshmallow.readthedocs.io/en/latest/upgrading.html#upgrading-to-3-0">'
         'Update your code to use marshmallow 3</a>.'
     ),