diff --git a/README.md b/README.md
index b87ba976f8e0..8456573b53ed 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,10 @@ https://crowdin.com/project/openfoodfacts
 * Once the pull request gets approved and merged, it will be deployed on the test server
 * Deployment to production is still manual
 
+## Requirements
+* Do not hotlink ressources like images, JS or CSS. They need to be commited to the repository. Please organize resources in folders.
+
+
 ## Deployment
 
 ### Actual prod (no docker)