docs: update system_configuration docs to reflect RedisDb configuration variable
@@ -242,6 +242,9 @@ The default is to use ledis. If Both Redis and ledis are defined, Redis will tak
#### RedisHost
The Redis hostname and port.
+#### RedisDb
+Optional integer database to store bosun data. Defaults to 0.
+
#### RedisPassword
Optional password to use when connecting to Redis.
