diff --git a/setup.py b/setup.py
index 81064bdcf50c81786885e5e5a0652a456970ce79..11d3913e3d7f1e85e03e7641c5cfeaa3c6c5985b 100644
--- a/setup.py
+++ b/setup.py
@@ -163,6 +163,10 @@ def main():
 
             * Broad support. PyOpenCL was tested and works with Apple's, AMD's, and Nvidia's 
               CL implementations.
+
+            Like PyOpenCL? (And perhaps use it for `bitcoin
+            <http://bitcoin.org>`_ mining?) Leave a (bitcoin) tip:
+            1HGPQitv27CdENBcH1bstu5B3zeqXRDwtY
             """,
             author="Andreas Kloeckner",
             author_email="inform@tiker.net",