Update README.md

Author: efraespada

README.md

@@ -35,7 +35,7 @@
 
 <p align="center"><img width="10%" vspace="20" src="https://github.com/StringCare/AndroidLibrary/raw/develop/white.png"></p>
 
-Collaborate with this project by doing any PR or [donation](https://paypal.me/pools/c/8khTcL25Qw) you want.
+Collaborate with this project by doing any PR or [donation](https://www.paypal.me/efraespada) you want.
 
 <p align="center"><img width="10%" vspace="20" src="https://github.com/StringCare/AndroidLibrary/raw/develop/white.png"></p>