diff --git a/examples/common.ts b/examples/common.ts
index 5f52dca..5676e5f 100644
--- a/examples/common.ts
+++ b/examples/common.ts
@@ -429,7 +429,6 @@ const setOwnerForEns = (
 };
 
 export const balanceOfSlot = (mappingSlot: bigint, owner: string) => {
-  // balanceOf mapping at slot 3
   return ethers.keccak256(
     ABI_CODER.encode(['address', 'uint256'], [owner, mappingSlot])
   );