diff --git a/docs/toc_en.yml b/docs/toc_en.yml
index 1f9964cf6f2..95520d4b0a7 100644
--- a/docs/toc_en.yml
+++ b/docs/toc_en.yml
@@ -22,11 +22,12 @@ nav:
   - 'Command-line client': 'interfaces/cli.md'
   - 'Native interface (TCP)': 'interfaces/tcp.md'
   - 'HTTP interface': 'interfaces/http_interface.md'
+  - 'Input and output formats': 'interfaces/formats.md'
   - 'JDBC driver': 'interfaces/jdbc.md'
   - 'ODBC driver': 'interfaces/odbc.md'
-  - 'Libraries from third-party developers': 'interfaces/third-party/client_libraries.md'
-  - 'Visual interfaces from third-party developers': 'interfaces/third-party/gui.md'
-  - 'Input and output formats': 'interfaces/formats.md'
+  - 'Third-party':
+    - 'Client libraries': 'interfaces/third-party/client_libraries.md'
+    - 'Visual Interfaces': 'interfaces/third-party/gui.md'
 
 - 'Data types':
   - 'Introduction': 'data_types/index.md'
diff --git a/docs/toc_fa.yml b/docs/toc_fa.yml
index 3e0ca16fdf6..349cdaafc7c 100644
--- a/docs/toc_fa.yml
+++ b/docs/toc_fa.yml
@@ -22,11 +22,12 @@ nav:
   - ' کلاینت Command-line': 'interfaces/cli.md'
   - 'Native interface (TCP)': 'interfaces/tcp.md'
   - 'HTTP interface': 'interfaces/http_interface.md'
+  - ' فرمت های Input و Output': 'interfaces/formats.md'
   - ' درایور JDBC': 'interfaces/jdbc.md'
   - ' درایور ODBC': 'interfaces/odbc.md'
-  - ' کتابخانه های توسعه دهندگان third-party': 'interfaces/third-party/client_libraries.md'
-  - 'interface های visual توسعه دهندگان third-party': 'interfaces/third-party/gui.md'
-  - ' فرمت های Input و Output': 'interfaces/formats.md'
+  - 'Third-party':
+    - 'کتابخانه های مشتری': 'interfaces/third-party/client_libraries.md'
+    - 'رابط های بصری': 'interfaces/third-party/gui.md'
 
 - 'Data types':
   - 'Introduction': 'data_types/index.md'
diff --git a/docs/toc_ru.yml b/docs/toc_ru.yml
index 603e7b518a4..40e0da9a2d5 100644
--- a/docs/toc_ru.yml
+++ b/docs/toc_ru.yml
@@ -25,8 +25,9 @@ nav:
   - 'Форматы входных и выходных данных': 'interfaces/formats.md'
   - 'JDBC-драйвер': 'interfaces/jdbc.md'
   - 'ODBC-драйвер': 'interfaces/odbc.md'
-  - 'Библиотеки от сторонних разработчиков': 'interfaces/third-party/client_libraries.md'
-  - 'Визуальные интерфейсы от сторонних разработчиков': 'interfaces/third-party/gui.md'
+  - 'От сторонних разработчиков':
+    - 'Клиентские библиотеки': 'interfaces/third-party/client_libraries.md'
+    - 'Визуальные интерфейсы': 'interfaces/third-party/gui.md'
 
 - 'Типы данных':
   - 'Введение': 'data_types/index.md'
diff --git a/docs/toc_zh.yml b/docs/toc_zh.yml
index 0e97a69227e..206486aef46 100644
--- a/docs/toc_zh.yml
+++ b/docs/toc_zh.yml
@@ -25,8 +25,9 @@ nav:
   - '输入输出格式': 'interfaces/formats.md'
   - 'JDBC 驱动': 'interfaces/jdbc.md'
   - 'ODBC 驱动': 'interfaces/odbc.md'
-  - '第三方开发的库': 'interfaces/third-party/client_libraries.md'
-  - '第三方开发的可视化界面': 'interfaces/third-party/gui.md'
+  - '第三方':
+    - '客户端库': 'interfaces/third-party/client_libraries.md'
+    - '可视界面': 'interfaces/third-party/gui.md'
 
 - '数据类型':
   - '介绍': 'data_types/index.md'