Edit the example to reflect the changes

nitter.example.conf

@@ -10,7 +10,7 @@ hostname = "nitter.net"
 [Cache]
 listMinutes = 240  # how long to cache list info (not the tweets, so keep it high)
 rssMinutes = 10  # how long to cache rss queries
-redisHost = "localhost"  # Change to "redis" if using docker-compose
+redisHost = "localhost"  # Change to "nitter-redis" if using docker-compose
 redisPort = 6379
 redisPassword = ""
 redisConnections = 20  # connection pool size