diff --git a/Basic-Assembly-tutorial.md b/Basic-Assembly-tutorial.md
index 5e44b1b..ad8e727 100644
--- a/Basic-Assembly-tutorial.md
+++ b/Basic-Assembly-tutorial.md
@@ -264,7 +264,8 @@ So we have seen how programmers can use programming languages to write computer
 ### Instruction and operands
 Let's start with some an example:
 ```assembly
-MOV A, 0x1337
+MOV A, 1
+MOV B, 0x1337
 HWI 9
 BRK
 ```