[CssSelector] Fixed Typo

src/Symfony/Component/CssSelector/Node/AttribNode.php

@@ -118,7 +118,7 @@ class AttribNode implements NodeInterface
     /**
      * Returns a formatted attribute
      *
-     * @return string The formatted attributep
+     * @return string The formatted attribute
      */
     protected function formatAttrib()
     {

src/Symfony/Component/CssSelector/Parser.php

@@ -273,7 +273,7 @@ class Parser
      *
      * @param  Node\NodeInterface $selector The selector object whose attribute
      *                                      is to be parsed.
-     * @param  TokenStream        $strem    The container token stream.
+     * @param  TokenStream        $stream    The container token stream.
      *
      * @return Node\AttribNode
      */