From ebcb9c1bfa7995048013ca66ccd7ad1223b1efa7 Mon Sep 17 00:00:00 2001
From: ryjiang <shanghaikid@users.noreply.github.com>
Date: Sat, 6 Nov 2021 12:19:31 +0800
Subject: [PATCH] [skip ci]Add some comments in appendix_a_basic_components.md
 (#11356)

Signed-off-by: ruiyi.jiang <ruiyi.jiang@zilliz.com>
---
 docs/developer_guides/appendix_a_basic_components.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/developer_guides/appendix_a_basic_components.md b/docs/developer_guides/appendix_a_basic_components.md
index 4812cba379..6638a88cbc 100644
--- a/docs/developer_guides/appendix_a_basic_components.md
+++ b/docs/developer_guides/appendix_a_basic_components.md
@@ -421,6 +421,7 @@ type TxnKV interface {
 ###### A.7.3 MetaKv
 
 ```go
+// MetaKv is TxnKV for meta data. It should save data with lease.
 type MetaKv interface {
 	TxnKV
 	GetPath(key string) string