Update flashblocks.md

Author: julio4

specs/flashblocks.md

@@ -114,11 +114,11 @@ The core data structure sent from the Block Builder to Rollup Boost and then ext
 
 ```python
 class FlashblocksPayloadV1():
-		version: Bytes4
+    version: Bytes4
     payload_id: Bytes8
-    parent_flash_hash: Optional[Bytes32]
     index: uint64
-    static: Optional[ExecutionPayloadStaticV1]
+    parent_flash_hash: Optional[Bytes32]
+    base: Optional[ExecutionPayloadStaticV1]
     diff: ExecutionPayloadFlashblockResultV1
     metadata: FlashblocksMetadata
 ```
@@ -1026,4 +1026,4 @@ For RPC Operators, Flashblocks will require a modified RPC node that subscribes
 
 # Implementation
 
-A feature complete implementation of all components described in this document can be found in the [rollup-boost](https://github.com/flashbots/rollup-boost), [op-rbuilder](https://github.com/flashbots/rbuilder/tree/develop/crates/op-rbuilder), [flashblocks-websocket-proxy](https://github.com/base/flashblocks-websocket-proxy), and [reth-flashblocks](https://github.com/danyalprout/reth-flashblocks).
+A feature complete implementation of all components described in this document can be found in the [rollup-boost](https://github.com/flashbots/rollup-boost), [op-rbuilder](https://github.com/flashbots/rbuilder/tree/develop/crates/op-rbuilder), [flashblocks-websocket-proxy](https://github.com/base/flashblocks-websocket-proxy), and [reth-flashblocks](https://github.com/danyalprout/reth-flashblocks).