diff --git a/daemon/graphdriver/zfs/zfs.go b/daemon/graphdriver/zfs/zfs.go
index 4b0cac3c5c..0142890b0d 100644
--- a/daemon/graphdriver/zfs/zfs.go
+++ b/daemon/graphdriver/zfs/zfs.go
@@ -200,7 +200,7 @@ func (d *Driver) Status() [][2]string {
 	}
 }
 
-// GetMetadata is used for implementing the graphdriver.ProtoDriver interface. ZFS does not currently have any meta data.
+// GetMetadata returns image/container metadata related to graph driver
 func (d *Driver) GetMetadata(id string) (map[string]string, error) {
 	return nil, nil
 }