diff --git a/internal/querycoord/task.go b/internal/querycoord/task.go
index a0c4ebb4c6..88eb4fa87d 100644
--- a/internal/querycoord/task.go
+++ b/internal/querycoord/task.go
@@ -600,6 +600,7 @@ func (rct *ReleaseCollectionTask) rollBack(ctx context.Context) []task {
 	return nil
 }
 
+// LoadPartitionTask will load all the data of this partition to query nodes
 type LoadPartitionTask struct {
 	*BaseTask
 	*querypb.LoadPartitionsRequest