Update index.html

public/index.html

@@ -67,7 +67,8 @@ loader.load("https://immersive-web.github.io/webxr-samples/media/gltf/reticle/re
   reticle.visible = false;
   scene.add(reticle);
 })
-
+        // Model Source: Antique Camera by Maximillan Kamps
+        // License: CC0 1.0 Universal (https://creativecommons.org/publicdomain/zero/1.0/legalcode)
 let antique;
 loader.load("./antiqueCamera/AntiqueCamera.gltf", function(gltf) {
   antique = gltf.scene;