diff --git a/book/http_cache.rst b/book/http_cache.rst
index fd3aa0a7a35..1856ee5ce80 100644
--- a/book/http_cache.rst
+++ b/book/http_cache.rst
@@ -975,7 +975,7 @@ possible.
 
 .. tip::
 
-    The listener listener only responds to local IP addresses or trusted
+    The listener only responds to local IP addresses or trusted
     proxies.
 
 .. note::