diff --git a/sketches/simulator-sketch-v2.js b/sketches/simulator-sketch-v2.js
index 395197d..2651a85 100644
--- a/sketches/simulator-sketch-v2.js
+++ b/sketches/simulator-sketch-v2.js
@@ -138,7 +138,7 @@ const Instructions = {
   },
 }
 
-const instructionLookupTable = {
+const opcodes2mnemonics = {
   0: (arg) => Instructions.end(arg),
   1: (arg) => Instructions.store_lit(arg),
   2: (arg) => Instructions.store_addr(arg),
@@ -163,7 +163,7 @@ function stepCPU() {
 
   console.log(`OP: ${opcode}   ARG: ${argument}`);
 
-  let instruction = instructionLookupTable[opcode];
+  let instruction = opcodes2mnemonics[opcode];
   instruction(argument);
 
   logCPUState();