fix text.

weed/filer/cassandra_store/cassandra_store.go

@@ -3,6 +3,7 @@ package cassandra_store
 import (
 	"fmt"
 	"strings"
+
 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/glog"
 
@@ -34,7 +35,7 @@ func NewCassandraStore(keyspace string, hosts string) (c *CassandraStore, err er
 	c = &CassandraStore{}
 	s := strings.Split(hosts, ",")
 	if len(s) == 1 {
-		glog.V(2).Info("Only one  cassandra node to connect!A Cluster is Proposed!Now using:", string(hosts))
+		glog.V(2).Info("Only one cassandra node to connect! A cluster is Recommended! Now using:", string(hosts))
 		c.cluster = gocql.NewCluster(hosts)
 	} else if len(s) > 1 {
 		c.cluster = gocql.NewCluster(s...)