diff --git a/analyzer/evmabibackfill/evm_abi_backfill.go b/analyzer/evmabibackfill/evm_abi_backfill.go
index 81b1157af..053ade6a2 100644
--- a/analyzer/evmabibackfill/evm_abi_backfill.go
+++ b/analyzer/evmabibackfill/evm_abi_backfill.go
@@ -185,8 +185,9 @@ func (p *processor) parseTxCall(tx *abiEncodedTx, contractAbi abi.ABI) (*string,
 	return &method.RawName, txArgs, nil
 }
 
-// Attempts to parse the transaction revert reason into the error name and args
-// as defined by the abi of the contract that was called.
+// Attempts to parse the transaction revert reason into the error name (or plaintext message;
+// see chain.runtime_transactions.error_message in DB) and args as defined by the abi of the
+// contract that was called.
 func (p *processor) parseTxErr(tx *abiEncodedTx, contractAbi abi.ABI) (*string, []*abiEncodedArg, error) {
 	var abiErrMsg string
 	var abiErr *abi.Error