diff --git a/docs/topics/spider-middleware.rst b/docs/topics/spider-middleware.rst
index 7d8501fd8..995d6689d 100644
--- a/docs/topics/spider-middleware.rst
+++ b/docs/topics/spider-middleware.rst
@@ -263,7 +263,7 @@ REFERER_ENABLED
 
 Default: ``True``
 
-Whether to enable referer middleware will be enabled.
+Whether to enable referer middleware.
 
 UrlLengthMiddleware
 -------------------