diff --git a/Instruction-Set.md b/Instruction-Set.md
index 3510951..e3a049e 100644
--- a/Instruction-Set.md
+++ b/Instruction-Set.md
@@ -181,6 +181,9 @@ destination = destination & source
 destination = destination | source
 ```
 
+### SAL
+alias to [SHL](#SHL)
+
 ### SHL
 #### Details
 | mnemonic | opcode | operands | carry | zero | sign | overflow | break |