From 89e79185a0f764e1009a061ba01ea4cb93704c55 Mon Sep 17 00:00:00 2001
From: Alexander Kuzmenkov <36882414+akuzm@users.noreply.github.com>
Date: Wed, 17 Mar 2021 20:09:29 +0300
Subject: [PATCH] Update tests.md

---
 docs/en/development/tests.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/en/development/tests.md b/docs/en/development/tests.md
index fb453e55417..7547497b9af 100644
--- a/docs/en/development/tests.md
+++ b/docs/en/development/tests.md
@@ -233,7 +233,7 @@ Google OSS-Fuzz can be found at `docker/fuzz`.
 We also use simple fuzz test to generate random SQL queries and to check that the server doesn’t die executing them.
 You can find it in `00746_sql_fuzzy.pl`. This test should be run continuously (overnight and longer).
 
-We also use sophisticated AST-based query fuzzer that is able to find huge amount of corner cases. It does random permutations and substitutions in queries AST. It remembers AST nodes from previous tests to use them for fuzzing of subsequent tests while processing them in random order.
+We also use sophisticated AST-based query fuzzer that is able to find huge amount of corner cases. It does random permutations and substitutions in queries AST. It remembers AST nodes from previous tests to use them for fuzzing of subsequent tests while processing them in random order. You can learn more about this fuzzer in [this blog article](https://clickhouse.tech/blog/en/2021/fuzzing-clickhouse/).
 
 ## Stress test