diff --git a/internal/querynode/collection_replica.go b/internal/querynode/collection_replica.go
index 79c6de4c26..672d3d0072 100644
--- a/internal/querynode/collection_replica.go
+++ b/internal/querynode/collection_replica.go
@@ -110,6 +110,7 @@ func (colReplica *collectionReplica) getSegmentsMemSize() int64 {
 	return memSize
 }
 
+// printReplica prints the collections, partitions and segments in the collectionReplica
 func (colReplica *collectionReplica) printReplica() {
 	colReplica.mu.Lock()
 	defer colReplica.mu.Unlock()