diff --git a/internal/simulation/main.go b/internal/simulation/main.go
index 21bd57b3..e4587935 100644
--- a/internal/simulation/main.go
+++ b/internal/simulation/main.go
@@ -229,7 +229,7 @@ func (n *simNode) ProcessBlock(b dbft.Block[crypto.Uint256, crypto.Uint160]) {
 	n.lastHash = b.Hash()
 }
 
-// VerifyPrepareRequest verifies that payload was received from a good validator.
+// VerifyPayload verifies that payload was received from a good validator.
 func (n *simNode) VerifyPayload(p dbft.ConsensusPayload[crypto.Uint256, crypto.Uint160]) error {
 	if *blocked != -1 && p.ValidatorIndex() == uint16(*blocked) {
 		return fmt.Errorf("message from blocked validator: %d", *blocked)