diff --git a/doc/templates.rst b/doc/templates.rst
index 64c72ae88..0835718e5 100644
--- a/doc/templates.rst
+++ b/doc/templates.rst
@@ -605,7 +605,7 @@ Tests can accept arguments too:
 
     {% if loop.index is divisibleby(3) %}
 
-Tests can be negated by using the ``not in`` operator:
+Tests can be negated by using the ``is not`` operator:
 
 .. code-block:: jinja