diff --git a/internal/indexcoord/param_table.go b/internal/indexcoord/param_table.go
index 7b707924b9..d4eb52da26 100644
--- a/internal/indexcoord/param_table.go
+++ b/internal/indexcoord/param_table.go
@@ -125,6 +125,7 @@ func (pt *ParamTable) initMinIOAccessKeyID() {
 	pt.MinIOAccessKeyID = ret
 }
 
+// initMinIOSecretAccessKey initializes the minio secret access key.
 func (pt *ParamTable) initMinIOSecretAccessKey() {
 	ret, err := pt.Load("minio.secretAccessKey")
 	if err != nil {