Reword

javiereguiluz · web-flow · commit 44708ad55689 · 2018-04-18T10:19:36.000+02:00
diff --git a/security/access_control.rst b/security/access_control.rst
@@ -303,7 +303,12 @@ For a list of the other functions and variables, see
 
 .. tip::
 
-    Since Symfony 4.1 you can also use custom functions (that are registered via providers using the tag ``security.expression_language_provider``; also see :ref:`custom providers <components-expression-language-provider>`) inside your ``allow_if`` expressions.
+    The ``allow_if`` expressions can also contain custom functions registered
+    with :ref:`expression providers <components-expression-language-provider>`.
+
+    .. versionadded:: 4.1
+        The feature to use custom functions inside ``allow_if`` expressions was
+        introduced in Symfony 4.1.
 
 Forcing a Channel (http, https)
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