diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
index 20eb114..cd560af 100644
--- a/.github/copilot-instructions.md
+++ b/.github/copilot-instructions.md
@@ -92,7 +92,7 @@ cd adastra_app && npm install
 # Développement
 npm run local        # ng serve --configuration local --port 4400
 npm start            # ng serve (port 4200 par défaut)
-npm run dev          # ng serve --configuration local --port 4201
+npm run dev          # ng serve --configuration local --port 4200
 
 # Build
 npm run build        # Production build (dist/)