Update pull request template.

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,8 +1,7 @@
 *Check these before submitting new pull requests*
 
-- [ ] I read the __guidelines for contributing__ linked above  
+- [ ] I read the __guidelines for contributing__ linked above. My pull request conforms to the coding style guidelines described within.
 
-- [ ] PHP-only files follow our coding style; in order to do that use php-cs-fixer - http://cs.sensiolabs.org/ - as follows:
-  `php-cs-fixer fix --config=<webroot>/.php_cs.dist <filename>`
+If this condition is met, feel free to delete this whole message and to submit your pull request.
 
-If all the above conditions are met, feel free to delete this whole message and to submit your pull request, and... Thank you, your help is really appreciated!
+Thank you, your help is really appreciated!