@@ -1,12 +1,26 @@
 # Algorithmica v3
 
-Key technical changes:
+Algorithmica is a free and open web book about Computer Science.
+
+If you are concerned with editing, please read the [contributing guide](https://ru.algorithmica.org/contributing/) (in Russian).
+
+---
+
+Key technical changes from the [previous version](https://github.com/algorithmica-org/articles):
 
 * pandoc -> Hugo
 * CSS -> Sass
 * Github Pages -> Netlify
-* Yandex.Metrica -> Google Analytics
+* Yandex.Metrica -> ~~Google Analytics~~ went back to Metrica
 * algorithmica.org/{lang}/* -> {lang}.algorithmica.org/*
 * Rich metadata support (language, sections, TOCs, authors...)
+* Automated global table of contents
+* Theming support
+
+Short-term todo list:
 
-Work in progress.
+* Search with lunr
+* Themes (especially a better dark theme)
+* Minor style adjustments for mobile and print versions
+* A pdf version of the whole website
+* [Sticky table of contents](https://css-tricks.com/table-of-contents-with-intersectionobserver/)