Removed MIT definition

Author: AndyButland

16/umbraco-cms/fundamentals/setup/upgrading/version-specific/README.md

@@ -25,7 +25,7 @@ Use the [general upgrade guide](../) to complete the upgrade of your project.
 
 In Umbraco 15 there were two property editors available for a rich text editor - TinyMCE and TipTap.
 
-With Umbraco 16 only TipTap is available as an option out-of-the-box. TinyMCE's [change of license](https://github.com/tinymce/tinymce/issues/9453#issuecomment-2327646149) precludes us from shipping it with the MIT (Massachusetts Institute of Technology) licensed Umbraco CMS.
+With Umbraco 16 only TipTap is available as an option out-of-the-box. TinyMCE's [change of license](https://github.com/tinymce/tinymce/issues/9453#issuecomment-2327646149) precludes us from shipping it with the MIT licensed Umbraco CMS.
 
 When upgrading to Umbraco 16 any data types using TinyMCE will be migrated to use TipTap.