Fix typo in JSDoc comment for signal parameter

src/client.ts

@@ -53,7 +53,7 @@ let ongoingAuth: AbortController | null = null;
  * @param {'discouraged'|'preferred'|'required'} [discoverable] A "discoverable" credential can be selected using `authenticate(...)` without providing credential IDs.
  *              Instead, a native pop-up will appear for user selection.
  *              This may have an impact on the "passkeys" user experience and syncing behavior of the key.
- * * @param {AbortSignal} [signal] An optional AbortSignal to allow aborting the registration process.
+ * @param {AbortSignal} [signal] An optional AbortSignal to allow aborting the registration process.
  * If not provided, a global AbortController is used to abort any ongoing authentication.
  */
 export async function register(options: RegisterOptions): Promise<RegistrationJSON> {