apply check-doc comments

Signed-off-by: Kyeongwon Seo <[email protected]>

Author: kwSeo

docs/configuration/config-file-reference.md

@@ -2330,20 +2330,19 @@ The `redis_config` configures the Redis backend cache. The supported CLI flags `
 # CLI flag: -<prefix>.redis.enable-tls
 [enable_tls: <boolean> | default = false]
 
-# Close connections after remaining idle for this duration. 
-# If the value is zero, then idle connections are not closed.
+# Close connections after remaining idle for this duration. If the value is
+# zero, then idle connections are not closed.
 # CLI flag: -<prefix>.redis.idle-timeout
 [idle_timeout: <duration> | default = 0s]
 
-# Enables waiting if there are no idle connections.
-# If the value is false and the pool is at the max_active_conns limit,
-# the pool will return a connection with ErrPoolExhausted error
-# and not wait for idle connections. 
+# Enables waiting if there are no idle connections. If the value is false and
+# the pool is at the max_active_conns limit, the pool will return a connection
+# with ErrPoolExhausted error and not wait for idle connections.
 # CLI flag: -<prefix>.redis.wait
 [wait: <boolean> | default = false]
 
-# Close connections older than this duration. 
-# If the value is zero, then the pool does not close connections based on age.
+# Close connections older than this duration. If the value is zero, then the
+# pool does not close connections based on age.
 # CLI flag: -<prefix>.redis.max-conn-lifetime
 [max_conn_lifetime: <duration> | default = 0s]
 ```

pkg/chunk/cache/redis_cache.go

@@ -44,7 +44,7 @@ func (cfg *RedisConfig) RegisterFlagsWithPrefix(prefix, description string, f *f
 	f.Var(&cfg.Password, prefix+"redis.password", description+"Password to use when connecting to redis.")
 	f.BoolVar(&cfg.EnableTLS, prefix+"redis.enable-tls", false, description+"Enables connecting to redis with TLS.")
 	f.DurationVar(&cfg.IdleTimeout, prefix+"redis.idle-timeout", 0, description+"Close connections after remaining idle for this duration. If the value is zero, then idle connections are not closed.")
-	f.BoolVar(&cfg.Wait, prefix+"redis.wait", false, description+"Enables waiting if there are no idle connections.")
+	f.BoolVar(&cfg.Wait, prefix+"redis.wait", false, description+"Enables waiting if there are no idle connections. If the value is false and the pool is at the max_active_conns limit, the pool will return a connection with ErrPoolExhausted error and not wait for idle connections.")
 	f.DurationVar(&cfg.MaxConnLifetime, prefix+"redis.max-conn-lifetime", 0, description+"Close connections older than this duration. If the value is zero, then the pool does not close connections based on age.")
 }