diff --git a/How-to-play-ALPHA.md b/How-to-play-ALPHA.md
index 5b4c342..6e085ae 100644
--- a/How-to-play-ALPHA.md
+++ b/How-to-play-ALPHA.md
@@ -4,6 +4,10 @@
 - keyboard
 - mouse
 
+# Optional
+
+Join the audio channel here https://appear.in/chuck.js you need to allow the browser to use your microphone. 
+
 # Usage:
 
 - go to XXX
@@ -11,7 +15,7 @@
   to real life names
 - click on the Dungeon channel
 - allow browser to hide the mouse pointer
-- press the button on top right for Fullscreen
+- press the button on top right for Fullscreen if you like
 - use "w", "a", "s" and "d" to move
 - use the left mouse button to grab things
 - use it again to drop the thing you have in your hands