diff --git a/README.md b/README.md
index 1d7c198..a2c92c1 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,11 @@ If you would like to propose a challenge, this project is open source, so feel f
 
 > **Learning by reading is good but learning by doing is better.**
 
-## Challenges
+## Challanges
+
+Check [all challenges](https://angular-challenges.vercel.app/)
+
+## Challenges (previous version)
 
 > Click the following badges to join your next challenge.
 >
diff --git a/apps/projection/README.md b/apps/projection/README.md
index a49ad12..c81227f 100644
--- a/apps/projection/README.md
+++ b/apps/projection/README.md
@@ -1,31 +1,13 @@
-<h1>Projection</h1>
+# Projection
 
 > Author: Thomas Laforge
 
-### Statement
+### Run Application
 
-Refactor this working exemple of a dasboard containing multiple cards (teachers, students, ...)
-Implement the City card.
+```bash
+npx nx serve projection
+```
 
-### Constraints:
+### Documentation and Instruction
 
-- You **must** keep **CardComponent** and **ListItemComponent**
-- **NgFor** directive must be declare and stay inside **CardComponent**
-- No **NgIf** or **NgSwitch** inside **CardComponent**
-- CSS: prefer not to use **::ng-deep**, find a better way
-
-### Submitting your work
-
-1. Fork the project
-2. clone it
-3. npm ci
-4. **nx serve projection**
-5. _...work on it_
-6. Commit your work
-7. Submit a PR with a title beginning with **Answer:1** that I will review and other dev can review.
-
-<a href="https://github.com/tomalaforge/angular-challenges/pulls?q=label%3A1+label%3Aanswer"><img src="https://img.shields.io/badge/-Solutions-green" alt="Projection solution"/></a>
-<a href='https://github.com/tomalaforge/angular-challenges/pulls?q=label%3A1+label%3A"answer+author"'><img src="https://img.shields.io/badge/-Author solution-important" alt="Projection solution author"/></a>
-<a href="https://medium.com/@thomas.laforge/create-a-highly-customizable-component-cc3a9805e4c5" target="_blank" rel="noopener noreferrer"><img src="https://img.shields.io/badge/-Blog post explanation-blue" alt="Projection blog article"/></a>
-
-_You can ask any question on_ <a href="https://twitter.com/laforge_toma" target="_blank" rel="noopener noreferrer"><img src="./../../logo/twitter.svg" height=20px alt="twitter"/></a>
+Challenge documentation is [here](https://angular-challenges.vercel.app/challenges/angular/1-projection/).