README Updates

Author: amrameen769

README.md

@@ -8,4 +8,5 @@ This is an Automatic ClassFile Loader for PHP.
     <li>There you go!</li>
 </ol type="1">
 
+<p>Whenever a class is referenced throughout the PHP runtime environment, if the classFile is not yet included into the runtime, the system automatically calls the "spl-autoload-register" for the classFile. And this call is directed to the "lib" directory in the server root, and all the class files under the subdirectories are included into the project.</p>
 <p>This is the preferred method for autoloading classes in PHP 7.2 onwards</p>