diff --git a/ifa-0001.md b/ifa-0001.md
index da1737f..7c7dafc 100644
--- a/ifa-0001.md
+++ b/ifa-0001.md
@@ -11,7 +11,7 @@ The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "S
 
 This document is released into the public domain.
 
-This document was authored by Hugo Landau, with input from Zach Lym, Jeremy Rand and Ryan Castellucci.
+This document was authored by Hugo Landau, with input from Zach Lym, Jeremy Rand and Ryan Castellucci. This document is itself a substantive revision of the original domain names specification, which was authored by Gökhan San.
 
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