fix typos

1 job for patch-4 in 4 minutes and 9 seconds (queued for 2 seconds)
Status Name Job ID Coverage
failed test_deploy #15358


Name Stage Failure
test_deploy Test There is an unknown failure, please try again
[2017-05-16T19:48:31Z] INFO: deploy: ==> rsync -rlv -e 'ssh -i deploy_key' --delete --filter 'P doc/*' output/*
Warning: Permanently added the ECDSA host key for IP address '' to the list of known hosts.
Permission denied, please try again.
Permission denied, please try again.
Permission denied (publickey,password).
rsync: connection unexpectedly closed (0 bytes received so far) [sender]
rsync error: unexplained error (code 255) at io.c(226) [sender=3.1.1]
[2017-05-16T19:48:31Z] ERROR: deploy: Failed deployment -- command rsync -rlv -e 'ssh -i deploy_key' --delete --filter 'P doc/*' output/* returned 255
ERROR: Build failed: exit code 1