Update README.md

README.md

@@ -17,7 +17,7 @@ http://www.brunofreitas.com/node/41
 http://denki.world3.net/retro_v2.html
 (incuded for reference in folder original_Files)
 
-- This mod by rsn8887 [![Flattr this git repo](http://api.flattr.com/button/flattr-badge-small.png)](https://flattr.com/submit/auto?user_id=rsn8887&url=https://github.com/rsn8887/RetroAdapterMod&title=RetroAdapterMod&language=C&tags=github&category=software)
+- This mod by rsn8887 [![PayPayl donate button](https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=72LHAQPSSKDGE&lc=US&item_name=RetroAdapter%20Firmware%20MOD%20Donation&currency_code=USD&bn=PP%2dDonationsBF%3abtn_donateCC_LG%2egif%3aNonHosted "Donate once-off to this project using Paypal")
 
 What is it?
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