Fix Issue Uniswap#397: Incorrect Documentation (Uniswap#399)

README.md

@@ -26,7 +26,7 @@ A more detailed description of Uniswap v4 Core can be found in the draft of the
 - `settle`
 - `mint`
 
-Only the net balances owed to the pool (negative) or to the user (positive) are tracked throughout the duration of a lock. This is the `delta` field held in the lock state. Any number of actions can be run on the pools, as long as the deltas accumulated during the lock reach 0 by the lock’s release. This lock and call style architecture gives callers maximum flexibility in integrating with the core code.
+Only the net balances owed to the pool (positive) or to the user (negative) are tracked throughout the duration of a lock. This is the `delta` field held in the lock state. Any number of actions can be run on the pools, as long as the deltas accumulated during the lock reach 0 by the lock’s release. This lock and call style architecture gives callers maximum flexibility in integrating with the core code.
 
 Additionally, a pool may be initialized with a hook contract, that can implement any of the following callbacks in the lifecycle of pool actions: