Fixed link to "manual and guide"

Author: samdark

README.md

@@ -60,7 +60,7 @@ Yii2 code style can be specified at Inspections → PHP → PHP Code Sniffer val
 ### Useful links
 
 * [Configuration options](http://pear.php.net/manual/en/package.php.php-codesniffer.config-options.php)
-* [Manual and guide](http://pear.php.net/manual/en/package.php.php-codesniffer.php)
+* [Manual and guide](https://github.com/squizlabs/PHP_CodeSniffer/wiki)
 * [GitHub repository](https://github.com/squizlabs/PHP_CodeSniffer)
 
 PhpStorm