fix license description

README.md

@@ -214,7 +214,7 @@ NSIS_APP_ENVIRONMENT=development
 
 ## License
 
-If not otherwise specified (see below), files in this repository fall under [The MIT License](https://opensource.org/licenses/MIT) and the [GNU General Public License, version 2.0](https://opensource.org/licenses/GPL-2.0).
+If not otherwise specified (see below), files in this repository fall under [The MIT License](https://opensource.org/licenses/MIT).
 
 An exception is made for files in readable text which contain their own license information, or files where an accompanying file exists (in the same directory) with a “-license” suffix added to the base-name name of the original file, and an extension of txt, html, or similar. For example “tidy” is accompanied by “tidy-license.txt”.