Update fern/docs/pages/sdks/web/user-identity.mdx

Co-authored-by: Ben Colborn <[email protected]>

Author: sambhavjain9138

fern/docs/pages/sdks/web/user-identity.mdx

@@ -60,7 +60,7 @@ curl --location 'https://api.devrev.ai/auth-tokens.create' \
 
 | Attributes    | Description                                                                 | Type   | Required | Unique |
 |---------------|-----------------------------------------------------------------------------|--------|----------|--------|
-| `user_ref`      | A unique user reference that the DevRev app uses for identifying your users. This parameter is required. | string | ✅       | ✅    |
+| `user_ref`      | A unique user reference that the DevRev app uses for identifying your users. | string | ✅       | ✅    |
 | `email`**         | The email address of the customer. It's used for sending email notifications of any support messages. | string | ❌       | ✅     |
 | `display_name`*  | The name of the user that's shown on the widget.                          | string | ❌       | ❌     |
 | `phone_numbers` | The customer's mobile number, which must adhere to the E.164 format.       | array  | ❌      | ❌     |