diff --git a/readme.md b/readme.md
index 650bb78..3506410 100644
--- a/readme.md
+++ b/readme.md
@@ -17,7 +17,7 @@ Emails can also be deleted.
 
 * Use [![Join the chat at https://gitter.im/synox/disposable-mailbox](https://badges.gitter.im/synox/disposable-mailbox.svg)](https://gitter.im/synox/disposable-mailbox?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) and you will be notified about issues and bugfixes.  
 * This is **Beta** software, [there are still unsolved problems](https://github.com/synox/disposable-mailbox/issues). Contributions are welcome!
-* License: **GPL-3.0**. You can modify this application and run it anywhere, charge money and show advertisement. Any forks or repacked distribution must follow the GPL-3.0 licence.  
+* License: **GPL-3.0**. You can modify this application and run it anywhere, charge money and show advertisement. Any forks or repacked distribution must follow the [GPL-3.0 licence](https://opensource.org/licenses/GPL-3.0).  
 * A link to https://github.com/synox/disposable-mailbox in the footer is appreciated.