diff --git a/internal/util/milvuserrors/errors.go b/internal/util/milvuserrors/errors.go
index 5313660c9d4e6efbe95d4668af65f16d7c0f0a72..ddf9a3d298e6961fa95bffbc315ddfcf842a32cc 100644
--- a/internal/util/milvuserrors/errors.go
+++ b/internal/util/milvuserrors/errors.go
@@ -23,7 +23,7 @@ const (
 	MsgQueryCoordNotServing = "query coordinator is not serving"
 	// MsgDataCoordNotServing means that data coordinator not serving
 	MsgDataCoordNotServing = "data coordinator is not serving"
-	// MsgIndexCoordNotServing means that index coordinator not serving
+	// MsgIndexCoordNotServing means that IndexCoord not serving
 	MsgIndexCoordNotServing = "index coordinator is not serving"
 	// MsgProxyNotServing means that proxy node not serving
 	MsgProxyNotServing = "proxy node is not serving"