diff --git a/docs/tools/README.md b/docs/tools/README.md
index 56ca016ad9e..11e04de4b6a 100644
--- a/docs/tools/README.md
+++ b/docs/tools/README.md
@@ -38,5 +38,5 @@ The easiest way to see the result is to use `--livereload=8888` argument of buil
 
 At the moment there’s no easy way to do just that, but you can consider:
 
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+-   To hit the “Watch” button on top of GitHub web interface to know as early as possible, even during pull request. Alternative to this is `#github-activity` channel of [public ClickHouse Slack](https://join.slack.com/t/clickhousedb/shared_invite/zt-d2zxkf9e-XyxDa_ucfPxzuH4SJIm~Ng).
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