Merge branch '7.3' into 7.4

* 7.3:
  Tweaks
  Add mentions where to find configCache

Author: javiereguiluz

components/dependency_injection/compilation.rst

@@ -497,11 +497,12 @@ serves at dumping the compiled container::
 
 .. tip::
 
-    The ``file_put_contents()`` function is not atomic. That could cause issues
-    in a production environment with multiple concurrent requests. Instead, use
-    the :ref:`dumpFile() method <filesystem-dumpfile>` from Symfony Filesystem
-    component or other methods provided by Symfony (e.g. ``$containerConfigCache->write()``)
-    which are atomic.
+    The ``file_put_contents()`` function is not atomic. This can cause issues in
+    production environments with multiple concurrent requests. Instead, use the
+    :ref:`dumpFile() method <filesystem-dumpfile>` from the
+    :doc:`Filesystem component </components/filesystem>` or other atomic methods
+    provided by Symfony (e.g. the ``$containerConfigCache->write()`` method from
+    the :doc:`Config component </components/config>`).
 
 ``ProjectServiceContainer`` is the default name given to the dumped container
 class. However, you can change this with the ``class`` option when you