diff --git a/website/src/lib/docs/en/integration.mdx b/website/src/lib/docs/en/integration.mdx
index 201bfeee..77c9d454 100644
--- a/website/src/lib/docs/en/integration.mdx
+++ b/website/src/lib/docs/en/integration.mdx
@@ -18,7 +18,9 @@ All you need is:
You can then play with the configurator below to customize your map and generate the corresponding HTML code.
+
You will need to set up Cross-Origin Resource Sharing (CORS) headers on your server to allow gpx.studio to load your GPX files.
+