diff --git a/calculator.asm b/calculator.asm
index b0ab8bd..a26a558 100644
--- a/calculator.asm
+++ b/calculator.asm
@@ -139,6 +139,7 @@ debug:
 	debugr2: data 0
 	debugr3: data 0
 
+; --
 readline:
 	; Current index starts at 0
 	xor r0, r0