diff --git a/README.md b/README.md
index 7fc54bc..8b912d5 100644
--- a/README.md
+++ b/README.md
@@ -24,12 +24,11 @@ The aim of this project is providing **one [XR Hypermedia browser](https://xrhf.
 
 ## XR URI support 
 
-| type  | support        | extension  | platforms |
-|-------|----------------|------------|-----------|
-| glTF  | `.glb` `.gltf` (geometry) | [3DFile](xurfer/ext/3DFile/main.lua) | lovr |
-| obj   | `.obj`  | [3DFile](xurfer/ext/3DFile/main.lua) | lovr |
-| obj   | `.obj`  | [3DFile](xurfer/ext/3DFile/main.lua) | lovr |
-| *     | [Janus](https://coderofsalvation.github.io/janus-guide/) Markup Language (JML) | [janusxr](xurfer/ext/janusxr/main.lua) | all |
+| type  | supported        | standards | extension  | platforms |
+|-------|----------------|----------|--|-----------|
+| glTF  | `.glb` `.gltf` (geometry) | [khronos/gltf](https://www.khronos.org/gltf/) [xrfragment level 2](https://xrfragment.org/#%F0%9F%93%9C%20level2%3A%20explicit%20hyperlinks) | [3DFile](xurfer/ext/3DFile/main.lua) | lovr |
+| obj   | `.obj`  | [WaveFront OBJ](https://docs.fileformat.com/3d/obj/)| [3DFile](xurfer/ext/3DFile/main.lua) | lovr |
+| [Janus](https://coderofsalvation.github.io/janus-guide/) Markup Language (JML) | any URL/file | JML | [janusxr](xurfer/ext/janusxr/main.lua) | all |
 
 ## very hackable extensions