diff --git a/README.md b/README.md
index d593115c..9c37b405 100644
--- a/README.md
+++ b/README.md
@@ -124,3 +124,6 @@ contribute to Etherpad Lite.
 
 # License
 [Apache License v2](http://www.apache.org/licenses/LICENSE-2.0.html)
+
+# Flattr
+Etherpad Foundation Flattr (http://flattr.com/thing/71378/Etherpad-Foundation)
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