From cda341d1a51d36eb0a9d391469aca84c600c9500 Mon Sep 17 00:00:00 2001
From: Ahmed TAILOULOUTE <ahmed.tailouloute@gmail.com>
Date: Mon, 14 Oct 2019 22:23:46 +0200
Subject: [PATCH] Update http_foundation.rst

---
 components/http_foundation.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/components/http_foundation.rst b/components/http_foundation.rst
index 54de5e179f9..8d68e3762ba 100644
--- a/components/http_foundation.rst
+++ b/components/http_foundation.rst
@@ -421,6 +421,7 @@ call::
         's_maxage'      => 600,
         'private'       => false,
         'public'        => true,
+        'immutable'     => true,
     ]);
 
 To check if the Response validators (``ETag``, ``Last-Modified``) match a