chore: yellow paper typo fix

yellow-paper/docs/gas-and-fees/fee-payments-and-metering.md

@@ -57,7 +57,7 @@ All of these phases occur **within the same transaction**, ultimately resulting
 
 ![Transaction Components](../gas-and-fees/images/gas-and-fees/Transaction.png)
 
-The fee praparation and fee distribution phases respectively are responsible for ensuring that sufficient quantity of the fee payment asset is made available for the transaction and that it is correctly distributed to the sequencer with any refund being returned to the transaction sender. The sequencer will have have agency over which contract methods they are willing to accept for execution in these phases and will have visibility over the arguments passed to them. This is important as these functions must be successfully executed in order for the sequencer to be paid. It is assumed that the network will settle on a number of universally recognised fee payment contracts implementing fee preparation and distribution.
+The fee preparation and fee distribution phases respectively are responsible for ensuring that sufficient quantity of the fee payment asset is made available for the transaction and that it is correctly distributed to the sequencer with any refund being returned to the transaction sender. The sequencer will have have agency over which contract methods they are willing to accept for execution in these phases and will have visibility over the arguments passed to them. This is important as these functions must be successfully executed in order for the sequencer to be paid. It is assumed that the network will settle on a number of universally recognised fee payment contracts implementing fee preparation and distribution.
 
 ## Gas Metering
 
@@ -362,4 +362,4 @@ sequenceDiagram
   FPA->>FPA: calculate fee based on inputs to VM circuit
   FPA->>DApp: DApp's balance is reduced by fee amount
   FPA->>Sequencer: Sequencer's balance is increased by fee amount
-```
+```