diff --git a/content/en/docs/About us/team.md b/content/en/docs/About us/team.md
index 0f0ca6b..3f48c9c 100644
--- a/content/en/docs/About us/team.md	
+++ b/content/en/docs/About us/team.md	
@@ -6,7 +6,7 @@ description: >
   Our team, contributors and like-minded people
 ---
 
-# About us
+## About us
 
 International team of independent professionals:
 
diff --git a/content/en/docs/Services/nextcloud/_index.md b/content/en/docs/Services/nextcloud/_index.md
index ed95476..35f5c2d 100644
--- a/content/en/docs/Services/nextcloud/_index.md
+++ b/content/en/docs/Services/nextcloud/_index.md
@@ -103,7 +103,7 @@ How to set up synchronization for contacts and calendar? Instructions for differ
 
 - [Thunderbird](https://docs.nextcloud.com/server/latest/user_manual/en/groupware/sync_thunderbird.html)
 
-# How to Synchronize Nextcloud with an Android Smartphone?
+## How to Synchronize Nextcloud with an Android Smartphone?
 
 1. Download the [DAVx⁵ app](https://www.davx5.com/download/) on your Android device from [F-Droid](https://f-droid.org/de/packages/at.bitfire.davdroid/) or the [Google Play Store](https://play.google.com/store/apps/details?id=at.bitfire.davdroid).
 
diff --git a/content/en/docs/Theory/architecture.md b/content/en/docs/Theory/architecture.md
index 163775b..c648ae2 100644
--- a/content/en/docs/Theory/architecture.md
+++ b/content/en/docs/Theory/architecture.md
@@ -13,7 +13,7 @@ Yes, you could use kubernetes. But why when immutability is ensured by NixOS?
 
 **Server side (backend):** [NixOS](https://nixos.org/) + [Python](https://www.python.org/). NixOS was chosen because of its reproducibility, python because of its versatility and popularity.
 
-# Service providers
+## Service providers
 **We do not get paid by any service providers!** We are not affiliated with them in any way. We chose them purely for professional reasons. But we do not exclude partnership in the future.
 
 ### Hosting
diff --git a/content/ru/docs/About us/team.md b/content/ru/docs/About us/team.md
index ee77fc2..16a754e 100644
--- a/content/ru/docs/About us/team.md	
+++ b/content/ru/docs/About us/team.md	
@@ -6,7 +6,7 @@ description: >
   Наша команда, вкладчики и единомышленники
 ---
 
-# О нас
+## О нас
 
 Международная команда независимых профессионалов:
 
diff --git a/content/ru/docs/Services/nextcloud/_index.md b/content/ru/docs/Services/nextcloud/_index.md
index 65258c3..1b1d023 100644
--- a/content/ru/docs/Services/nextcloud/_index.md
+++ b/content/ru/docs/Services/nextcloud/_index.md
@@ -103,7 +103,7 @@ description: >
 
 - [Thunderbird](https://docs.nextcloud.com/server/latest/user_manual/ru/groupware/sync_thunderbird.html)
 
-# Как синхронизировать календарь Nextcloud c Android смартфоном?
+## Как синхронизировать календарь Nextcloud c Android смартфоном?
 
 1. Скачайте приложение [DAVx⁵](https://www.davx5.com/download/) на ваше Android устройство, из [F-Droid](https://f-droid.org/de/packages/at.bitfire.davdroid/) или [Google Play Store](https://play.google.com/store/apps/details?id=at.bitfire.davdroid).
 
diff --git a/content/ru/docs/Theory/architecture.md b/content/ru/docs/Theory/architecture.md
index 661afe6..97893e8 100644
--- a/content/ru/docs/Theory/architecture.md
+++ b/content/ru/docs/Theory/architecture.md
@@ -13,7 +13,7 @@ description: >
 
 **Серверная сторона (backend)**: [NixOS](https://nixos.org/) + [Python](https://www.python.org/). NixOS выбран из-за воспроизводимости, Python из-за универсальности и популярности.
 
-# Сервис-провайдеры
+## Сервис-провайдеры
 **Нам не платит ни один сервис-провайдер!** Мы никак с ними не аффилированы. Выбирали исключительно из профессиональных соображений. Но не исключаем партнерство в будущем.