Typo: Variable name in Redis Settings docs
https://docs.gitlab.com/omnibus/settings/redis.html#running-with-multiple-redis-instances
Note: Redis URLs should be in the format: "redis://:PASSWORD@REDIS_HOST:PORT/2" Where
PASSWORD is the plaintext password for the Redis instance
REDIS_HOST is the hostname or IP address of the host
REDIS_PORT is the port Redis is listening on, the default is 6379