fixes english typos

meta/config.go

@@ -40,7 +40,7 @@ type Config struct {
 	ClusterTracing      bool          `toml:"cluster-tracing"`
 }
 
-// NewConfig build a new configuration with default values.
+// NewConfig builds a new configuration with default values.
 func NewConfig() *Config {
 	return &Config{
 		Hostname:            DefaultHostname,

meta/store.go

@@ -1200,7 +1200,7 @@ func (s *Store) ShardGroupByTimestamp(database, policy string, timestamp time.Ti
 	return
 }
 
-// ShardOwner look up for a specific shard and return the shard group information
+// ShardOwner looks up for a specific shard and return the shard group information
 // related with the shard.
 func (s *Store) ShardOwner(shardID uint64) (database, policy string, sgi *ShardGroupInfo) {
 	s.read(func(data *Data) error {