diff --git a/src/c/a5/addsub.asm b/src/c/a5/addsub.asm
index c6bf74e..ee81f70 100644
--- a/src/c/a5/addsub.asm
+++ b/src/c/a5/addsub.asm
@@ -11,16 +11,16 @@ addsub:
 
     mov eax, 0
 
-    mov bx, word [ebp+16];Operation
-    mov ax, word [ebp+8];op1
+    mov bx, word [ebp+16] ;Operation
+    mov ax, word [ebp+8] ;op1
 
     cmp bx, 0x2b
     jne substract
 
-    add ax, word [ebp+12];op2
+    add ax, word [ebp+12] ;op2
     jmp return
 
-substract: sub ax, word [ebp+12];op2
+substract: sub ax, word [ebp+12] ;op2
 
 return:
     pop bx