diff --git a/doc/RFC.md b/doc/RFC.md
index f39db8a..aa3b935 100644
--- a/doc/RFC.md
+++ b/doc/RFC.md
@@ -14,9 +14,13 @@
 
 # XR Fragments (key/value params)
  
-| param   | type          | category                | notes                   |
-|---------|---------------|-------------------------|-------------------------|
-| prio    | int (-10..1)  | Asset loading / linking | \#static allow client to ignore lower-prio objects in the renderloop, to compensate frame-drop/cpu/gpu-overload scenario’soc/notes/prio.md |
+```
+⛁  = fragment in 3D asset-file (custom property)
+⚂  = fragment in navigator URI (`document.location.href` e.g.)
+```
+| param   | type          | scope | navigator override |category                | notes                   |
+|---------|---------------|-------|--------------------|-------------------------|
+| prio    | int (-10..1)  | ⛁ | Asset loading / linking | \#static allow client to ignore lower-prio objects in the renderloop, to compensate frame-drop/cpu/gpu-overload scenario’soc/notes/prio.md |
 | pos     | 3D vector     | HREF navigation/portals |  |
 
 
diff --git a/src/xrfragment/Parser.hx b/src/xrfragment/Parser.hx
index 07fe858..4b4fa2f 100644
--- a/src/xrfragment/Parser.hx
+++ b/src/xrfragment/Parser.hx
@@ -5,12 +5,14 @@ package xrfragment;
 
 class Parser {                                                             //  # XR Fragments (key/value params)
     public static var error:String = "";                                   //   
-
-    @:keep
+                                                                           //  ```
+                                                                           //  ⛁  = fragment in 3D asset-file (custom property)
+                                                                           //  ⚂  = fragment in navigator URI (`document.location.href` e.g.)
+    @:keep                                                                 //  ```
     public static function parse(key:String,value:String,resultMap:haxe.DynamicAccess<Dynamic>):Bool {
-      var Frag:Map<String, EReg> = new Map<String, EReg>();                //  | param   | type          | category                | notes                   |
-                                                                           //  |---------|---------------|-------------------------|-------------------------|
-      Frag.set("prio", Type.isInt);                                        //  | prio    | int (-10..1)  | Asset loading / linking | #include doc/notes/prio.md |
+      var Frag:Map<String, EReg> = new Map<String, EReg>();                //  | param   | type          | scope | navigator override |category                | notes                   |
+                                                                           //  |---------|---------------|-------|--------------------|-------------------------|
+      Frag.set("prio", Type.isInt);                                        //  | prio    | int (-10..1)  | ⛁ | Asset loading / linking | #include doc/notes/prio.md |
 
       Frag.set("pos",  Type.isVector);                                     //  | pos     | 3D vector     | HREF navigation/portals |  |
                                                                            //