diff --git a/.github/workflows/l10n-sync-ru.yml b/.github/workflows/l10n-sync-ru.yml
new file mode 100644
index 00000000..e7e9bd0e
--- /dev/null
+++ b/.github/workflows/l10n-sync-ru.yml
@@ -0,0 +1,21 @@
+name: l10n-sync-ru
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  sync-status-ru:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Download mdlm
+      run: curl -o- https://raw.githubusercontent.com/markdown-localization/mdlm-sh/v0.0.18/install.sh | bash      
+      
+    - name: Sync status - ru
+      run: |
+        $HOME/.mdlm/mdlm.sh diff ru
diff --git a/README-ru.md b/README-ru.md
index c01c2061..b8549c1e 100644
--- a/README-ru.md
+++ b/README-ru.md
@@ -10,6 +10,22 @@ l10n:p -->
 
 # Пособие по проектированию систем
 
+<!-- l10n:ignore start -->
+![l10n-sync-ru](https://github.com/voitau/system-design-primer/workflows/l10n-sync-ru/badge.svg)
+> ## Contributing: Russian translation
+>
+> **WARNING**: the document is currently being translated.
+>
+> Thank you for your interest in contributing to Russian translation! If you want to contribute, please do the following:
+>
+> * choose a task for a section which you want to translate in the [Project](https://github.com/voitau/system-design-primer/projects/4)
+> * assign it to yourself and move it to `In progress`
+> * text in comments is copied from original and is kept in sync. you can use it as a source for translation, but **do not change it**
+> * make PR to this fork. When translation is complete, all changes will go into one PR to main repository
+> * **do not change Header names and internal links, keep them original**. To avoid broken links, they all will be updated after document is completely translated before final PR to main repository
+>
+<!-- l10n:ignore end -->
+
 <p align="center">
   <img src="http://i.imgur.com/jj3A5N8.png"/>
   <br/>
@@ -168,7 +184,7 @@ Content that needs some polishing is placed [under development](#under-developme
 Review the [Contributing Guidelines](CONTRIBUTING.md).
 l10n:p -->
 
-## Содействие
+## Contributing
 
 > Учитесь у сообщества.
 
diff --git a/README.md b/README.md
index f7cbc7df..7b1de92f 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-*[English](README.md) ∙ [日本語](README-ja.md) ∙ [简体中文](README-zh-Hans.md) ∙ [繁體中文](README-zh-TW.md) ∙ [Русский](README-ru.md) | [العَرَبِيَّة‎](https://github.com/donnemartin/system-design-primer/issues/170) ∙ [বাংলা](https://github.com/donnemartin/system-design-primer/issues/220) ∙ [Português do Brasil](https://github.com/donnemartin/system-design-primer/issues/40) ∙ [Deutsch](https://github.com/donnemartin/system-design-primer/issues/186) ∙ [ελληνικά](https://github.com/donnemartin/system-design-primer/issues/130) ∙ [עברית](https://github.com/donnemartin/system-design-primer/issues/272) ∙ [Italiano](https://github.com/donnemartin/system-design-primer/issues/104) ∙ [韓國語](https://github.com/donnemartin/system-design-primer/issues/102) ∙ [فارسی](https://github.com/donnemartin/system-design-primer/issues/110) ∙ [Polski](https://github.com/donnemartin/system-design-primer/issues/68) ∙ [Español](https://github.com/donnemartin/system-design-primer/issues/136) ∙ [ภาษาไทย](https://github.com/donnemartin/system-design-primer/issues/187) ∙ [Türkçe](https://github.com/donnemartin/system-design-primer/issues/39) ∙ [tiếng Việt](https://github.com/donnemartin/system-design-primer/issues/127) ∙ [Français](https://github.com/donnemartin/system-design-primer/issues/250) | [Add Translation](https://github.com/donnemartin/system-design-primer/issues/28)*
+*[English](README.md) ∙ [日本語](README-ja.md) ∙ [简体中文](README-zh-Hans.md) ∙ [繁體中文](README-zh-TW.md) ∙ [Русский](README-ru.md) | [العَرَبِيَّة‎](https://github.com/donnemartin/system-design-primer/issues/170) ∙ [বাংলা](https://github.com/donnemartin/system-design-primer/issues/220) ∙ [Português do Brasil](https://github.com/donnemartin/system-design-primer/issues/40) ∙ [Deutsch](https://github.com/donnemartin/system-design-primer/issues/186) ∙ [ελληνικά](https://github.com/donnemartin/system-design-primer/issues/130) ∙ [עברית](https://github.com/donnemartin/system-design-primer/issues/272) ∙ [Italiano](https://github.com/donnemartin/system-design-primer/issues/104) ∙ [韓國語](https://github.com/donnemartin/system-design-primer/issues/102) ∙ [فارسی](https://github.com/donnemartin/system-design-primer/issues/110) ∙ [Polski](https://github.com/donnemartin/system-design-primer/issues/68) ∙ [Español](https://github.com/donnemartin/system-design-primer/issues/136) ∙ [ภาษาไทย](https://github.com/donnemartin/system-design-primer/issues/187) ∙ [Türkçe](https://github.com/donnemartin/system-design-primer/issues/39) ∙ [tiếng Việt](https://github.com/donnemartin/system-design-primer/issues/127) ∙ [Français](https://github.com/donnemartin/system-design-primer/issues/250) | [Add Translation](https://github.com/donnemartin/system-design-primer/issues/28)* <!-- l10n:select -->
 
 # The System Design Primer