Simple Custom Plugin In Wordpress

Here is the code for Simple Custom Plugin In Wordpress

/*
Plugin Name: Custom Plugin
Description: A very basic test plugin
Version: 1.0
Author: Ajay Malhotra
*/

function add_bottom_content( $content ) {
$content .= "Your Reviews On ".get_the_title().", Please!";
return $content;
}

add_filter( 'the_content', 'add_bottom_content' );