[symfony#8209] fix reference

xabbuh · xabbuh · commit 049096cab0c1 · 2018-01-23T10:21:13.000+01:00
diff --git a/components/cache/adapters/filesystem_adapter.rst b/components/cache/adapters/filesystem_adapter.rst
@@ -45,7 +45,7 @@ and cache root path as constructor parameters::
     choices. If throughput is paramount, the in-memory adapters
     (:ref:`Apcu <apcu-adapter>`, :ref:`Memcached <memcached-adapter>`, and
     :ref:`Redis <redis-adapter>`) or the database adapters
-    (:ref:`Doctrine <doctrine- adapter>` and :ref:`PDO <pdo-doctrine-adapter>`)
+    (:ref:`Doctrine <doctrine-adapter>` and :ref:`PDO <pdo-doctrine-adapter>`)
     are recommended.
 
 .. note::
