Update upload-index-videos.md

Author: Juliako

articles/media-services/video-indexer/upload-index-videos.md

@@ -344,6 +344,7 @@ The status codes listed in the following table may be returned by the Upload ope
 |---|---|---|
 |409|VIDEO_INDEXING_IN_PROGRESS|Same video is already in progress of being processed in the given account.|
 |400|VIDEO_ALREADY_FAILED|Same video failed to process in the given account less than 2 hours ago. API clients should wait at least 2 hours before re-uploading a video.|
+|429||Trial accounts are allowed 5 uploads per minute. Paid accounts are allowed 50 uploads per minute.|
 
 ## Next steps