diff --git a/readme.md b/readme.md
index 58909ea..7206e7e 100644
--- a/readme.md
+++ b/readme.md
@@ -27,3 +27,4 @@
 * Use WMTS servers directly when not using Geo Caching Server
 * Allow HEIF picture format
 * Vector tiles support (https://www.arcgis.com/home/item.html?id=7dc6cea0b1764a1f9af2e679f642f0f5) + Use of GL library. Use Mapbox GL JS / Maplibre GL JS / ESRI-Leaflet-vector?
+* Fix .MOV playback on firefox