diff --git a/technical/6.1.-Conference-Protocol.md b/technical/6.1.-Conference-Protocol.md
index c4e3a38920b482b5a9ebb62033d78cfd9b97979e..27262e2e557f9cf77171cd72f6e4159df5f3b45f 100644
--- a/technical/6.1.-Conference-Protocol.md
+++ b/technical/6.1.-Conference-Protocol.md
@@ -152,6 +152,7 @@ So, the `application/confOrder+json` will contains:
                 "raisehand": true/false,
                 "media":{
                     "3532532662432" : {
+                        "type": "camera/file/screen",
                         "muteAudio": true/false,
                         "muteVideo": true/false,
                         "active": true/false
@@ -164,6 +165,8 @@ So, the `application/confOrder+json` will contains:
 }
 ```
 
+Note: the type can be used for the client to improve display (e.g. do not crop screen sharing)
+
 
 ### Controlling moderators