diff --git a/README.md b/README.md
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--- a/README.md
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@@ -1,3 +1,6 @@
 == Tab Provenance
 
 This is a simple browser extension to tell you from what tab the current tab was opened.
+
+Inspired by this code: https://gist.github.com/hwayne/5e2f635fd2dd5168f8b445fe99b2371b
+from github user @hwayne