diff --git a/README.md b/README.md
index e2a5db2..54b960d 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,10 @@ make
 
 ```
 ; Move register RY to register RX
-MOV RX, RY 
+MOV RX, RY
+
+; Put value X in register RX
+PUT RX, X
 
 ; Arithmetic addition and substraction stored in RX
 ADD RX, RY
@@ -64,4 +67,4 @@ HLT
 
 ## Known bugs
 
-- R0 is not usable (confusion with NOP opcode 0 in memory)
\ No newline at end of file
+- R0 is not usable (confusion with NOP opcode 0 in memory)