diff --git a/src/Authentication/OAuth2Client.php b/src/Authentication/OAuth2Client.php
index 6b24619..cd1c558 100755
--- a/src/Authentication/OAuth2Client.php
+++ b/src/Authentication/OAuth2Client.php
@@ -242,7 +242,7 @@ protected function sendRequestWithClientParams(
 
 	/**
 	 * Returns the client_* params for OAuth requests.
-	 * @return array<string, string>
+	 * @return array{client_id: string, client_secret: string}
 	 */
 	protected function getClientParams(): array
 	{
diff --git a/src/Facebook.php b/src/Facebook.php
index f112049..8f9712f 100755
--- a/src/Facebook.php
+++ b/src/Facebook.php
@@ -494,7 +494,7 @@ public function videoToUpload(string $pathToFile): Video
 	 * @param int                       $maxTransferTries   the max times to retry a failed upload chunk
 	 * @param string|null               $graphVersion       the Graph API version to use
 	 *
-	 * @return array<string, bool>|array<string, int>
+	 * @return array{video_id: int, success: bool}
 	 * @throws SDKException|FilesystemException
 	 */
 	public function uploadVideo(