diff --git a/crtstart.asm b/crtstart.asm
index 6b309aa..87c3627 100644
--- a/crtstart.asm
+++ b/crtstart.asm
@@ -20,7 +20,7 @@ __interrupt_vect:
 	.ds     7
  	ljmp    _isr_serial	; 0x23
 	.ds     5
-	reti			; 0x2b  TIMER 2 IRQ
+	reti			; 0x2b TIMER 2 IRQ
 	.ds     7
 	reti			; 0x33 NOT used by DW8051
 	.ds     7