Update ERC-7540: Fix ERC7540 typo

Merged by EIP-Bot.

ERCS/erc-7540.md

@@ -83,7 +83,7 @@ For asynchronous Vaults, the exchange rate between `shares` and `assets` includi
 ### Request Ids
 The request ID (`requestId`) of a request is returned by the corresponding `requestDeposit` and `requestRedeem` functions.
 
-Multiple requests may have the same `requestId`, so a given Request is discriminated by both the `requestId` and the `owner`. 
+Multiple requests may have the same `requestId`, so a given Request is discriminated by both the `requestId` and the `controller`. 
 
 Requests of the same `requestId` MUST be fungible with each other (except in the special case `requestId == 0` described below). I.e. all Requests with the same `requestId` MUST transition from Pending to Claimable at the same time and receive the same exchange rate between `assets` and `shares`. If a Request with `requestId != 0` becomes partially claimable, all requests of the same `requestId` MUST become claimable at the same pro-rata rate.