https links where applicable

README.md

@@ -18,17 +18,17 @@
 **License:**           GPLv2 or later  
 **License URI:**       [http://www.gnu.org/licenses/gpl-2.0.html](http://www.gnu.org/licenses/gpl-2.0.html)  
 
-[![Wordpress plugin](http://img.shields.io/wordpress/plugin/v/cmb2.svg)](https://wordpress.org/plugins/cmb2/)
-[![Wordpress](http://img.shields.io/wordpress/plugin/dt/cmb2.svg)](https://wordpress.org/plugins/cmb2/)
-[![Wordpress rating](http://img.shields.io/wordpress/plugin/r/cmb2.svg)](https://wordpress.org/plugins/cmb2/)
+[![Wordpress plugin](https://img.shields.io/wordpress/plugin/v/cmb2.svg)](https://wordpress.org/plugins/cmb2/)
+[![Wordpress](https://img.shields.io/wordpress/plugin/dt/cmb2.svg)](https://wordpress.org/plugins/cmb2/)
+[![Wordpress rating](https://img.shields.io/wordpress/plugin/r/cmb2.svg)](https://wordpress.org/plugins/cmb2/)
 
 Complete contributors list found here: [github.com/WebDevStudios/CMB2/graphs/contributors](https://github.com/WebDevStudios/CMB2/graphs/contributors)
 
 ## Description
 
 CMB2 is a developer's toolkit for building metaboxes, custom fields, and forms for WordPress that will blow your mind. Easily manage meta for posts, terms, users, comments, or create custom option pages.
 
-**[Download plugin on wordpress.org](http://wordpress.org/plugins/cmb2/)**
+**[Download plugin on wordpress.org](https://wordpress.org/plugins/cmb2/)**
 
 CMB2 is a complete rewrite of [Custom Metaboxes and Fields for WordPress](https://github.com/WebDevStudios/Custom-Metaboxes-and-Fields-for-WordPress). To get started, please follow the examples in the included `example-functions.php` file and have a look at the [basic usage instructions](https://github.com/WebDevStudios/CMB2/wiki/Basic-Usage).
 
@@ -100,7 +100,7 @@ A complete list of all our awesome contributors found here: [github.com/WebDevSt
 
 
 ## Links
-* [Project Homepage](http://cmb2.io)
+* [Project Homepage](https://cmb2.io)
 * [Github project page](https://github.com/webdevstudios/CMB2)
 * [Documentation (GitHub wiki)](https://github.com/webdevstudios/CMB2/wiki)
 

init.php

@@ -29,7 +29,7 @@
  * http://www.opensource.org/licenses/gpl-license.php
  *
  * This is an add-on for WordPress
- * http://wordpress.org/
+ * https://wordpress.org/
  *
  * **********************************************************************
  * This program is free software; you can redistribute it and/or modify