Fixing license in README.md

Author: malespiaut

README.md

@@ -8,7 +8,7 @@
 [![Forks][forks-shield]][forks-url]
 [![Stargazers][stars-shield]][stars-url]
 [![Issues][issues-shield]][issues-url]
-[![MIT License][license-shield]][license-url]
+[![GPLv2 License][license-shield]][license-url]
 [![LinkedIn][linkedin-shield]][linkedin-url]
 
 ## About the project