diff --git a/doc/reference_en.html b/doc/reference_en.html
index 31e17f1c57db3859965283f48f9bd152cda52a9a..dd8dd206547fbbaa824445e8f0c87a5268445f2a 100644
--- a/doc/reference_en.html
+++ b/doc/reference_en.html
@@ -769,7 +769,7 @@ There is official JDBC driver for ClickHouse. See <a href="https://github.com/ya
 
 ==Third-party client libraries==
 
-There exist third-party client libraries for <a href="https://github.com/Infinidat/infi.clickhouse_orm">Python</a>, PHP (<a href="https://github.com/8bitov/clickhouse-php-client">1</a>, <a href="https://github.com/SevaCode/PhpClickHouseClient">2</a>, <a href="https://github.com/smi2/phpClickHouse">3</a>), <a href="https://github.com/roistat/go-clickhouse">Go</a>, Node.js (<a href="https://github.com/TimonKK/clickhouse">1</a>, <a href="https://github.com/apla/node-clickhouse">2</a>).
+There exist third-party client libraries for <a href="https://github.com/Infinidat/infi.clickhouse_orm">Python</a>, PHP (<a href="https://github.com/8bitov/clickhouse-php-client">1</a>, <a href="https://github.com/SevaCode/PhpClickHouseClient">2</a>, <a href="https://github.com/smi2/phpClickHouse">3</a>), <a href="https://github.com/roistat/go-clickhouse">Go</a>, Node.js (<a href="https://github.com/TimonKK/clickhouse">1</a>, <a href="https://github.com/apla/node-clickhouse">2</a>), <a href="https://github.com/elcamlost/perl-DBD-ClickHouse">Perl</a>.
 
 Libraries was not tested by us. Ordering is arbitrary.
 
diff --git a/doc/reference_ru.html b/doc/reference_ru.html
index 41f01e97425adc36979f77564d6f04a0279e3771..63d99ff97c53725a228058daed7b769567e0dcaa 100644
--- a/doc/reference_ru.html
+++ b/doc/reference_ru.html
@@ -782,7 +782,7 @@ HTTP интерфейс позволяет передать внешние да
 
 ==Библиотеки от сторонних разработчиков==
 
-Существуют библиотеки для работы с ClickHouse для <a href="https://github.com/Infinidat/infi.clickhouse_orm">Python</a>, PHP (<a href="https://github.com/8bitov/clickhouse-php-client">1</a>, <a href="https://github.com/SevaCode/PhpClickHouseClient">2</a>, <a href="https://github.com/smi2/phpClickHouse">3</a>), <a href="https://github.com/roistat/go-clickhouse">Go</a>, Node.js (<a href="https://github.com/TimonKK/clickhouse">1</a>, <a href="https://github.com/apla/node-clickhouse">2</a>).
+Существуют библиотеки для работы с ClickHouse для <a href="https://github.com/Infinidat/infi.clickhouse_orm">Python</a>, PHP (<a href="https://github.com/8bitov/clickhouse-php-client">1</a>, <a href="https://github.com/SevaCode/PhpClickHouseClient">2</a>, <a href="https://github.com/smi2/phpClickHouse">3</a>), <a href="https://github.com/roistat/go-clickhouse">Go</a>, Node.js (<a href="https://github.com/TimonKK/clickhouse">1</a>, <a href="https://github.com/apla/node-clickhouse">2</a>), <a href="https://github.com/elcamlost/perl-DBD-ClickHouse">Perl</a>.
 
 Библиотеки не тестировались нами. Порядок перечисления произвольный.