diff --git a/AUTHORS b/AUTHORS
index f209a8acba..7989e472a3 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -234,5 +234,6 @@ Other contributors, listed alphabetically, are:
 * Rob Zimmerman -- Kal lexer
 * Vincent Zurczak -- Roboconf lexer
 * Hubert Gruniaux -- C and C++ lexer improvements
+* 15b3 -- Image Formatter improvements
 
 Many thanks for all contributions!