[PATCH v2 1/3] docs/zh_CN: update a translation in zh_CN/dev-tools/gcov

The original file has added some words in commit c797997a244cd2c58908
("Documentation: dev-tools: Add Testing Overview"), hence update the
Chinese translation of them.

Signed-off-by: Hu Haowen <redacted>
---
 Documentation/translations/zh_CN/dev-tools/index.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/translations/zh_CN/dev-tools/index.rst b/Documentation/translations/zh_CN/dev-tools/index.rst
index fd73c479917b..7ba02fc392a6 100644
--- a/Documentation/translations/zh_CN/dev-tools/index.rst
+++ b/Documentation/translations/zh_CN/dev-tools/index.rst

@@ -11,6 +11,9 @@
 目前这些文档已经整理在一起，不需要再花费额外的精力。
 欢迎任何补丁。
 
+有关测试专用工具的简要概述，参见
+Documentation/dev-tools/testing-overview.rst
+
 .. class:: toc-title
 
 	   目录

-- 
2.25.1