remove outdated updateUser comment & update readme

Author: ljosberinn

README.md

@@ -52,7 +52,7 @@ yarn add react-netlify-identity
 - `loginUser(email: string, password: string, remember: boolean = true)` - we default the `remember` term to `true` since you'll usually want to remember the session in localStorage. set it to false if you need to
 - `logoutUser()`
 - `requestPasswordRecovery(email: string)`
-- `updateUser(fields: { data: object })`
+- `updateUser(fields: object)`: see [updateUser @ gotrue-js](https://github.com/netlify/gotrue-js#update-a-user)
 - `getFreshJWT()`
 - `authedFetch(endpoint: string, obj: RequestInit = {})` a thin axios-like wrapper over `fetch` that has the user's JWT attached, for convenience pinging Netlify Functions with Netlify Identity
 - `param: TokenParam`

src/index.tsx

@@ -62,7 +62,7 @@ export type ReactNetlifyIdentityAPI = {
   logoutUser: () => MaybeUserPromise;
   requestPasswordRecovery: (email: string) => Promise<void>;
   recoverAccount: (remember?: boolean) => MaybeUserPromise;
-  updateUser: (fields: { data: object }) => MaybeUserPromise;
+  updateUser: (fields: object) => MaybeUserPromise;
   getFreshJWT: () => Promise<string>;
   authedFetch: {
     get: (endpoint: string, obj?: {}) => Promise<any>;
@@ -235,13 +235,13 @@ export function useNetlifyIdentity(
   );
 
   const updateUser = useCallback(
-    (fields: { data: object }) => {
+    (fields: object) => {
       if (!user) {
         throw new Error(errors.noUserFound);
       }
 
       return user!
-        .update(fields) // e.g. { data: { email: "example@example.com", password: "password" } }
+        .update(fields) // e.g. { email: "example@example.com", password: "password" }
         .then(_setUser);
     },
     [user]