Fix markdown

Author: OskarStark

README.md

@@ -2,13 +2,13 @@ Lock Component
 ==============
 
 The Lock component creates and manages locks, a mechanism to provide exclusive
-access to a shared resource. 
+access to a shared resource.
 
 Resources
 ---------
 
-  * [Documentation](https://symfony.com/doc/master/components/lock.html)
-  * [Contributing](https://symfony.com/doc/current/contributing/index.html)
-  * [Report issues](https://github.com/symfony/symfony/issues) and
-    [send Pull Requests](https://github.com/symfony/symfony/pulls)
-    in the [main Symfony repository](https://github.com/symfony/symfony)
+ * [Documentation](https://symfony.com/doc/master/components/lock.html)
+ * [Contributing](https://symfony.com/doc/current/contributing/index.html)
+ * [Report issues](https://github.com/symfony/symfony/issues) and
+   [send Pull Requests](https://github.com/symfony/symfony/pulls)
+   in the [main Symfony repository](https://github.com/symfony/symfony)