diff --git a/internal/querycoord/param_table.go b/internal/querycoord/param_table.go
index 6a2fcb1ced..2642fe131a 100644
--- a/internal/querycoord/param_table.go
+++ b/internal/querycoord/param_table.go
@@ -57,6 +57,7 @@ type ParamTable struct {
 	MinioBucketName      string
 }
 
+// Params are variables of the ParamTable type
 var Params ParamTable
 var once sync.Once