Oct 30, 2014
diff --git a/book/service_container.rst b/book/service_container.rst
 .. note::

    If you want to use a string that starts with an ``@`` sign as a parameter
    value (i.e. a very safe mailer password) in a YAML file, you need to escape
    value (e.g. a very safe mailer password) in a YAML file, you need to escape
    it by adding another ``@`` sign (this only applies to the YAML format):

    .. code-block:: yaml
Original file line number	Diff line number	Diff line change
Expand Up		@@ -218,7 +218,7 @@ looks up the value of each parameter and uses it in the service definition.
		.. note::

		If you want to use a string that starts with an ``@`` sign as a parameter
		value (i.e. a very safe mailer password) in a YAML file, you need to escape
		value (e.g. a very safe mailer password) in a YAML file, you need to escape
		it by adding another ``@`` sign (this only applies to the YAML format):

		.. code-block:: yaml
Expand Down