WP/DeprecatedFunctions: update code comment for namespaced function calls tests

Author: rodrigoprimo

WordPress/Tests/WP/DeprecatedFunctionsUnitTest.2.inc

@@ -1,7 +1,7 @@
 <?php
 
 /*
- * Safeguard support for PHP 8.0+ tokenization of namespaced "names".
+ * Safeguard correct handling of all types of namespaced function calls
  */
 \the_category_ID();
 MyNamespace\the_category_ID();