fix spelling

Author: dbu

bundles/create/introduction.rst

@@ -228,7 +228,7 @@ bundles.
         ));
 
 If you were not using Assetic previously, you need to call the ``assetic:dump``
-command in your deployment process, or the Javascript and CSS files will not be
+command in your deployment process, or the JavaScript and CSS files will not be
 found:
 
 .. code-block:: bash

bundles/seo/configuration.rst

@@ -101,7 +101,7 @@ Can be one of ``canonical`` or ``redirect``.
 **type**: ``string`` **default**: ``null`` (or ``DynamicRouter::CONTENT_KEY`` when RoutingBundle is enabled)
 
 The name of the request attribute which contains the content object. This is
-used by the ContentListener to exctract SEO information automatically. If the
+used by the ContentListener to extract SEO information automatically. If the
 RoutingBundle is present, this defaults to ``DynamicRouter::CONTENT_KEY``
 (which evaluates to ``contentDocument``), otherwise you must define this
 manually.