Update 'minio/.env.template'

minio/.env.template

@@ -8,7 +8,7 @@ MINIO_SECRET_KEY=AnotherSetOf30RandomCharacters
 # MINIO_DATA=/srv/magnetic-backup/minio
 MINIO_DATA=./data
 
-# IP / Port Mapping 
+# IP / Port Mapping for s3
 # IP_ADDRESS=192.168.10.10:9000:9000
 PORT_MAPPING=9000:9090