Fix #6037

Author: zsturgess

components/yaml/introduction.rst

@@ -135,16 +135,9 @@ It may also be convenient to use the
 
     $yaml = Yaml::parse(file_get_contents('/path/to/file.yml'));
 
-The :method:`Symfony\\Component\\Yaml\\Yaml::parse` static method takes a YAML
-string or a file containing YAML. Internally, it calls the
-:method:`Symfony\\Component\\Yaml\\Parser::parse` method, but enhances the
-error if something goes wrong by adding the filename to the message.
-
-.. caution::
-
-    Because it is currently possible to pass a filename to this method, you
-    must validate the input first. Passing a filename is deprecated in
-    Symfony 2.2, and will be removed in Symfony 3.0.
+The :method:`Symfony\\Component\\Yaml\\Yaml::parse` static method takes a YAML string.
+Internally, it constructs a :class:`Symfony\\Component\\Yaml\\Parser` object and calls
+the :method:`Symfony\\Component\\Yaml\\Parser::parse` method.
 
 .. _components-yaml-dump: