diff --git a/CREDITS.TXT b/CREDITS.TXT
index 36b97d3b5c1..e8a21c08e75 100644
--- a/CREDITS.TXT
+++ b/CREDITS.TXT
@@ -171,7 +171,7 @@ D: The Mips backend
 N: Duraid Madina
 E: duraid@octopus.com.au
 W: http://kinoko.c.u-tokyo.ac.jp/~duraid/
-D: IA64 backend
+D: IA64 backend, BigBlock register allocator
 
 N: Michael McCracken
 E: michael.mccracken@gmail.com