Add an explanation for URI with -u in redis-cli (#2604)

It's good for users to know that they need to specify "default" as the username when authenticating without a username. Other details of the URI format are described too, like scheme and dbnum. Related to redis/redis#12751 Co-authored-by: Viktor Söderqvist <[email protected]>
redis · Nov 22, 2023 · c2d73cd · c2d73cd
1 parent 0728983
commit c2d73cd
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diff --git a/docs/connect/cli.md b/docs/connect/cli.md
@@ -122,6 +122,11 @@ option and the URI pattern `redis://user:password@host:port/dbnum`:
     $ redis-cli -u redis://LJenkins:p%[email protected]:16379/0 PING
     PONG
 
+**NOTE:**
+User, password and dbnum are optional.
+For authentication without a username, use username `default`.
+For TLS, use the scheme `rediss`.
+
 ## SSL/TLS
 
 By default, `redis-cli` uses a plain TCP connection to connect to Redis.