diff --git a/crypto.h b/crypto.h
index 8d1c842..857ba1e 100644
--- a/crypto.h
+++ b/crypto.h
@@ -5,6 +5,7 @@
 
 Copyright (C) 2008, 2009	Haxx Enterprises <bushing@gmail.com>
 Copyright (C) 2008, 2009	Sven Peter <svenpeter@gmail.com>
+Copyright (C) 2008, 2009	Hector Martin "marcan" <marcan@marcansoft.com>
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/ipc.c b/ipc.c
index 899b577..e87fe6f 100644
--- a/ipc.c
+++ b/ipc.c
@@ -94,7 +94,7 @@ static inline void poke_inhead(u16 num)
 
 static inline u16 peek_intail(void)
 {
-	return read32(HW_IPC_PPCMSG) & 0xFFF;
+	return read32(HW_IPC_PPCMSG) & 0xFFFF;
 }
 
 static inline u16 peek_outhead(void)
diff --git a/irq_asm.S b/irq_asm.S
index 7ab6501..5e20dbd 100644
--- a/irq_asm.S
+++ b/irq_asm.S
@@ -1,7 +1,7 @@
 /*
 	mini - a Free Software replacement for the Nintendo/BroadOn IOS.
 
-	exception handling
+	IRQ support
 
 Copyright (C) 2008, 2009	Hector Martin "marcan" <marcan@marcansoft.com>