You can fix it by yourself if you want.
Open the “jaxcon-main.php” File on your Server (/wp-content/plugins/jax-contact-form/jaxcon-main.php) and remove the strings “Plugin ” in row 3 to 9. Afterwards it should look like this:
<?php
/*
Name: Jax Contact Form With ReCaptcha
URI: http://www.karthik.sg/wp_projects/jaxcon/
Description: Setup a secured validated Jax Contact Form with Recaptcha.
Version: 1.0
Author: Alagappan Karthikeyan (JACK)
Author URI: http://www.karthik.sg/
Plugin WordPress Profile : http://profiles.ww.wp.xz.cn/users/karthiksg