move What PHPMD does is... below PHPMD is a spin-off...

code-scanning/phpmd.yml

@@ -2,6 +2,8 @@
 # They are provided by a third-party and are governed by
 # separate terms of service, privacy policy, and support
 # documentation.
+# PHPMD is a spin-off project of PHP Depend and 
+# aims to be a PHP equivalent of the well known Java tool PMD.
 # What PHPMD does is: It takes a given PHP source code base 
 # and look for several potential problems within that source.
 # These problems can be things like:
@@ -9,8 +11,6 @@
 #   Suboptimal code
 #   Overcomplicated expressions
 #   Unused parameters, methods, properties
-# PHPMD is a spin-off project of PHP Depend and 
-# aims to be a PHP equivalent of the well known Java tool PMD.
 # More details at https://phpmd.org/
 
 name: PHPMD