diff --git a/index.html b/index.html
index 2f6348c..1d45a8b 100644
--- a/index.html
+++ b/index.html
@@ -212,7 +212,8 @@ function writecsljsonback(data){
       <a-entity light="type: ambient; color: #BBB; intensity: 0.6"></a-entity>
       <a-entity light="type: directional; color: #FFF; intensity: 1.4" position="-0.5 1 1"></a-entity>
 
-      <a-troika-text value="SpaSca : Spatial Scaffolding" anchor="left" outline-width="5%" font="../content/ChakraPetch-Regular.ttf" position="-5.26197 6.54224 -1.81284"
+      <a-troika-text id="billboard" value="SpaSca : Spatial Scaffolding" anchor="left" outline-width="5%" font="../content/ChakraPetch-Regular.ttf" position="-5.26197 6.54224 -1.81284"
+      <!-- added ID to be used with https://git.benetou.fr/utopiah/text-code-xr-engine/issues/52#issuecomment-546 -->
 	scale="4 4 5" rotation="90 0 0" troika-text="outlineWidth: 0.01; strokeColor: #ffffff" material="flatShading: true; blending: additive; emissive: #c061cb"></a-troika-text>
       <a-sky hide-on-enter-ar color="lightgray"></a-sky>
       <a-troika-text anchor=left target value="instructions : \n--right pinch to move\n--left pinch to execute" position="0 0.65 -0.2" scale="0.1 0.1 0.1"></a-troika-text>