Updated download instruction [#METR-20000].

doc/index.html

@@ -393,7 +393,7 @@
 		<code>
 <pre>
 sudo mkdir -p /etc/apt/sources.list.d
-echo "deb http://mirror.yandex.ru/ClickHouse/<span class="choose_distributive">trusty|precise</span>/ stable/amd64/" |
+echo "deb http://repo.yandex.ru/clickhouse/<span class="choose_distributive">trusty|precise</span>/ dists/stable/main/binary-amd64/" |
 &nbsp;&nbsp;&nbsp;&nbsp;sudo tee /etc/apt/sources.list.d/clickhouse.list
 sudo apt-get update