fix extra blob (ethereum#5629)

Co-authored-by: lightclient <lightclient@protonmail.com>
Co-authored-by: axic <alex@rtfs.hu>

Co-authored-by: axic <alex@rtfs.hu>

EIPS/eip-4844.md

@@ -328,7 +328,7 @@ For early draft implementations, we simply change `get_blob_gas(pre_state)` to a
 ### Gas price update rule (Full version)
 
 We propose a simple independent EIP-1559-style targeting rule to compute the gas cost of the transaction.
-We use the `blobs` header field to store persistent data needed to compute the cost.
+We use the `excess_blobs` header field to store persistent data needed to compute the cost.
 
 Note that unlike existing transaction types, the gas cost is dependent on the pre-state of the block.