Fix typo

Author: terremoth

phpcs.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="Standard"
          xsi:noNamespaceSchemaLocation="vendor/squizlabs/php_codesniffer/phpcs.xsd">
-    <description>PHP Box Designer Coding Style</description>
+    <description>PHP DSV Coding Style</description>
     <arg name="colors"/>
     <rule ref="PSR12">
         <type>error</type>