diff --git a/README.md b/README.md
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--- a/README.md
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@@ -1,4 +1,4 @@
-
[](https://travis-ci.org/junegunn/fzf)
+
[](https://travis-ci.org/junegunn/fzf) [](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=EKYAW9PGKPD2N)
===
fzf is a general-purpose command-line fuzzy finder.