diff --git a/.env.sample b/.env.sample
index ba87b38..2a7288b 100644
--- a/.env.sample
+++ b/.env.sample
@@ -45,7 +45,7 @@ L1_PROVER_PRIVATE_KEY=
 PROVE_BLOCK_TX_GAS_LIMIT=
 # Minimum accepted fee for accepting proving a block (in wei)
 MIN_ACCEPTABLE_PROOF_FEE=1
-# Amount to approve AssignmentHook contract for TaikoToken usage (in wei)
+# Amount to approve AssignmentHook + TaikoL1 contracts for TaikoToken usage (in wei)
 TOKEN_ALLOWANCE=
 
 # If you want to be a proposer who proposes L2 execution engine's transactions in mempool to Taiko L1 protocol