docs: fix webhook event name in open account journey

journeys/open-multi-currency-account.mdx

@@ -5,7 +5,7 @@
 
 ## Overview
 
 An account in Trace FX is multi-currency: every account includes crypto support by default, and you declare which fiat assets (like BRL) to enable when you create it. Each fiat asset and the crypto wallet run their own onboarding pipelines, and the account becomes `ACTIVE` as soon as the first one finishes — typically the crypto wallet, since it has no manual steps.
 
 ## Prerequisites
 
@@ -16,7 +16,7 @@
 
 <Steps>
   <Step title="Create the account">
     Submit a request with the fiat assets to enable and the account owner's details. Crypto support is always included — you don't need to declare it.
 
     ```bash
     curl --request POST \
@@ -54,14 +54,14 @@
     Once all required documents are uploaded, call [`POST /api/accounts/{accountId}/review`](/api-reference/fx-account/accounts/submit-account-for-review) to trigger identity analysis. The account transitions to `REVIEWING`.
   </Step>
   <Step title="Wait for activation">
-    After analysis is approved, each asset activates on its own pipeline. Listen for the `account.activated` webhook event or poll [`GET /api/accounts/{accountId}`](/api-reference/fx-account/accounts/get-account) — the account becomes `ACTIVE` as soon as the first asset finishes onboarding.
+    After analysis is approved, each asset activates on its own pipeline. Listen for the `account.asset_activated` webhook event or poll [`GET /api/accounts/{accountId}`](/api-reference/fx-account/accounts/get-account) — the account becomes `ACTIVE` as soon as the first asset finishes onboarding.
   </Step>
   <Step title="Retrieve funding instructions">
     Once the account is active, call [`GET /api/accounts/{accountId}/fundingInstructions`](/api-reference/fx-account/funding-instructions/list-funding-instructions) to retrieve incoming transfer details per active asset: PIX key and bank account for BRL, wallet address for crypto.
   </Step>
 </Steps>
 
 ## What happens next
 
 - [Make a deposit](/journeys/deposit) — fund the account with BRL or crypto.
 - [Execute a swap](/journeys/swap) — convert between the account's assets.