diff --git a/zfs_replication_exporter.go b/zfs_replication_exporter.go
index bdf21e6..7ec835a 100644
--- a/zfs_replication_exporter.go
+++ b/zfs_replication_exporter.go
@@ -21,7 +21,7 @@ import (
 
 var (
 	addr            = flag.String("addr", "localhost:9999", "HTTP listen address for prometheus /metrics")
-	host            = flag.String("host", "localhost:22", "host:port to scp from")
+	host            = flag.String("host", "localhost:22", "host:port log into and scrape")
 	refreshInterval = flag.Duration("refresh", 5*time.Minute, "refresh interval time")
 	user            = flag.String("user", os.Getenv("USER"), "ssh user")
 )