chore: Fix broken link in txs in yellow paper

yellow-paper/docs/transactions/index.md

@@ -8,7 +8,7 @@ A transaction is the minimal action that changes the state of the network. Trans
 
 A transaction is also split into three phases to [support authorization abstraction and fee payments](../gas-and-fees/gas-and-fees.md#fees): a validation and fee preparation phase, a main execution phase, and fee distribution phase.
 
-Users initiate a transaction by sending a _transaction request_ to their local PXE, which [locally simulates and proves the transaction](./local-execution.md) and returns a [_transaction_ object](./tx-object.md) identified by a [_transaction hash_](./tx-hash.md). This transaction object is then broadcasted to the network via an Aztec Node, which checks its [validity](./validity.md), and eventually picked up by a sequencer who [executes the public component of the transaction](./public-execution.md) and includes it in a block.
+Users initiate a transaction by sending a _transaction request_ to their local PXE, which [locally simulates and proves the transaction](./local-execution.md) and returns a [_transaction_ object](./tx-object.md) identified by a [_transaction hash_](./tx-object.md#transaction-hash). This transaction object is then broadcasted to the network via an Aztec Node, which checks its [validity](./validity.md), and eventually picked up by a sequencer who [executes the public component of the transaction](./public-execution.md) and includes it in a block.
 
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