Fix minor comment typo

Author: tianon

docker-entrypoint.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 
-# allow the container to be stated with `--user`
+# allow the container to be started with `--user`
 if [ "$1" = 'rabbitmq-server' -a "$(id -u)" = '0' ]; then
 	chown -R rabbitmq /var/lib/rabbitmq
 	exec gosu rabbitmq "$BASH_SOURCE" "$@"