diff --git a/README.md b/README.md
index df747718f7..93a1300fba 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,11 @@ Never update composer dependencies if you are going to contribute code back.
 
 Now you can build.
 
-If your repository is accessible via a web server then you can run EspoCRM by url `http://PROJECT_URL/frontend`. To compose a proper config.php and populate database you can run install by opening `http(s)://{YOUR_CRM_URL}/install` location in a browser. Also you need to run build before to have compiled css.
+If your repository is accessible via a web server then you can run EspoCRM by url `http://PROJECT_URL/frontend`.
+
+To compose a proper config.php and populate database you can run install by opening `http(s)://{YOUR_CRM_URL}/install` location in a browser. Then open `data/config.php` file and add `isDeveloperMode => true`.
+
+Also you need to build to have compiled css files.
 
 ### How to build