symfony
diff --git a/‎templating/debug.rst
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+5-3Lines changed: 5 additions & 3 deletions b/‎templating/debug.rst
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+5-3Lines changed: 5 additions & 3 deletions
@@ -46,6 +46,8 @@ The same mechanism can be used in Twig templates thanks to ``dump()`` function:
         </a>
     {% endfor %}
 
-The variables will only be dumped if Twig's ``debug`` setting (in ``config.yml``)
-is ``true``. By default this means that the variables will be dumped in the
-``dev`` environment but not the ``prod`` environment.
+By design, the ``dump()`` function is only available if the ``kernel.debug``
+setting (in ``config.yml``) is ``true``, to avoid leaking sensitive information
+in production. In fact, trying to use the ``dump()`` function when ``kernel.debug``
+is ``false`` (for example in the ``prod`` environment) will result in an
+application error.