diff --git a/core/tracing/hooks.go b/core/tracing/hooks.go
index 4ac4e0c8c5..d3c8648548 100644
--- a/core/tracing/hooks.go
+++ b/core/tracing/hooks.go
@@ -300,14 +300,14 @@ const (
 	GasChangeCallStorageColdAccess GasChangeReason = 13
 	// GasChangeCallFailedExecution is the burning of the remaining gas when the execution failed without a revert.
 	GasChangeCallFailedExecution GasChangeReason = 14
-	// GasChangeWitnessContractInit is the amount charged for adding to the witness during the contract creation initialization step
+	// GasChangeWitnessContractInit flags the event of of adding to the witness during the contract creation initialization step
 	GasChangeWitnessContractInit GasChangeReason = 15
-	// GasChangeWitnessContractCreation is the amount charged for adding to the witness during the contract creation finalization step
+	// GasChangeWitnessContractCreation flags the event of adding to the witness during the contract creation finalization step
 	GasChangeWitnessContractCreation GasChangeReason = 16
-	// GasChangeWitnessCodeChunk is the amount charged for touching one or more contract code chunks
+	// GasChangeWitnessCodeChunk flags the event of adding one or more contract code chunks to the witness
 	GasChangeWitnessCodeChunk GasChangeReason = 17
-	// GasChangeWitnessContractCollisionCheck the amount charged for checking a contract collision
-	GasChangeWitnessContractCollisionCheck GasChangeReason = 17
+	// GasChangeWitnessContractCollisionCheck flags the event of adding to the witness when checking for contract address collision
+	GasChangeWitnessContractCollisionCheck GasChangeReason = 18
 
 	// GasChangeIgnored is a special value that can be used to indicate that the gas change should be ignored as
 	// it will be "manually" tracked by a direct emit of the gas change event.