diff --git a/rom5x/options/accel_reverse/B1_FDD5_accel_reverse.s b/rom5x/options/accel_reverse/B1_FDD5_accel_reverse.s
index 153a997..c346779 100644
--- a/rom5x/options/accel_reverse/B1_FDD5_accel_reverse.s
+++ b/rom5x/options/accel_reverse/B1_FDD5_accel_reverse.s
@@ -2,6 +2,9 @@
 ; <ESC> at reset then selects 4 MHz
 ; This is useful if you spend more time at 1 MHz, for games
 
+; This patch was inspired by Quinn Dunki's functionally equivalent
+; firmware mod found here: http://quinndunki.com/blondihacks/?p=2546
+
 .text
 * = $fdd5
 	.byte $f0