diff --git a/pdex/README.md b/pdex/README.md
index 5f75d9e59..7aca28b91 100644
--- a/pdex/README.md
+++ b/pdex/README.md
@@ -21,3 +21,6 @@ Click on the down arrow besides the mode switch button, and select Add Mode. In
 Manindra Moharana
 
 18 September 2013
+
+--
+PDE X is supported by [Google Summer of Code 2013](http://www.google-melange.com/gsoc/homepage/google/gsoc2013)
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