diff --git a/internal/querynode/index_info.go b/internal/querynode/index_info.go
index cae029ca72..561d6fc33a 100644
--- a/internal/querynode/index_info.go
+++ b/internal/querynode/index_info.go
@@ -65,6 +65,7 @@ func (info *indexInfo) setIndexParams(params map[string]string) {
 	info.indexParams = params
 }
 
+// setReadyLoad the the flag to check if the index is ready to load
 func (info *indexInfo) setReadyLoad(load bool) {
 	info.readyLoad = load
 }