fix upload files message and documentation link

2 jobs for develop in 1 minute and 59 seconds (queued for 1 minute and 41 seconds)
Name Stage Failure
failed
build_docker_image Build
075bc25ff38a: Retrying in 2 seconds
8b012ab429f5: Retrying in 2 seconds
e65c2f973828: Retrying in 1 second
ee0652982672: Retrying in 1 second
3038e86b6dbf: Retrying in 1 second
075bc25ff38a: Retrying in 1 second
8b012ab429f5: Retrying in 1 second
received unexpected HTTP status: 500 Internal Server Error
ERROR: Job failed: exit status 1