Update http_foundation.rst

atailouloute · web-flow · commit cda341d1a51d · 2019-10-14T22:23:46.000+02:00
diff --git 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
