add anchor for HttpCache tagging configuration

dbu · dbu · commit 2e75cd7a7e75 · 2017-12-21T08:41:02.000+01:00
diff --git a/doc/symfony-cache-configuration.rst b/doc/symfony-cache-configuration.rst
@@ -173,6 +173,8 @@ one of ``client_ips`` or ``client_matcher``*.
 
   **default**: ``null``
 
+.. _symfony_httpcache_tagging:
+
 Tagging
 ~~~~~~~
 
