diff --git a/KIPs/kip-279.md b/KIPs/kip-279.md
index 33c620b..2d32faa 100644
--- a/KIPs/kip-279.md
+++ b/KIPs/kip-279.md
@@ -238,10 +238,12 @@ eth_getRawTransaction returns the raw transaction RLP prefixed with `BLOB_TX_TYP
 #### eth_getBlock, eth_getTransaction, eth_getTransactionReceipt
 
 These eth namespace APIs that return transaction fields MUST show the `maxFeePerBlobGas` and `blobVersionedHashes` fields, and its `type: "0x03"`.
+The `eth_getTransactionReceipt` MUST also show `blobGasUsed` and `blobGasPrice` fileds.
 
 #### kaia_getBlock, kaia_getTransaction, kaia_getTransactionReceipt
 
 These kaia namespace APIs that return transaction fields MUST show the `maxFeePerBlobGas` and `blobVersionedHashes` fields, and its `typeInt: 30723`, and `type: "TxTypeEthereumBlob"`.
+The `eth_getTransactionReceipt` MUST also show `blobGasUsed` and `blobGasPrice` fileds.
 
 #### eth_getBlobSidecars