Update README.md

Author: emmanue1

README.md

@@ -116,4 +116,4 @@ Released under the [GNU GPL v3](LICENSE).
 ## Donations
 Did JD-GUI help you to solve a critical situation? Do you use JD-Eclipse daily? What about making a donation?
 
-[![paypal](https://raw.githubusercontent.com/java-decompiler/jd-gui/master/src/website/img/btn_donate_euro.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=C88ZMVZ78RF22) [![paypal](https://raw.githubusercontent.com/java-decompiler/jd-gui/master/src/website/img/btn_donate_usd.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=CRMXT4Y4QLQGU)
+[![paypal](https://raw.githubusercontent.com/java-decompiler/jd-core/master/src/website/img/btn_donate_euro.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=C88ZMVZ78RF22) [![paypal](https://raw.githubusercontent.com/java-decompiler/jd-core/master/src/website/img/btn_donate_usd.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=CRMXT4Y4QLQGU)