diff --git a/core/state_transition.go b/core/state_transition.go
index 1280ecfd12..56f170e777 100644
--- a/core/state_transition.go
+++ b/core/state_transition.go
@@ -314,9 +314,9 @@ func (st *StateTransition) preCheck() error {
 	}
 	// Check the blob version validity
 	if msg.BlobHashes != nil {
-		// The to field of a blob tx type is mandatory.
-		// However messages created through RPC (eth_call)
-		// don't have this restriction.
+		// The to field of a blob tx type is mandatory, and a `BlobTx` transaction internally
+		// has it as a non-nillable value, so any msg derived from blob transaction has it non-nil. 
+		// However, messages created through RPC (eth_call) don't have this restriction.
 		if msg.To == nil {
 			return ErrBlobTxCreate
 		}