diff --git a/docs/ecolyo-agent/functionalities/custom_popup.md b/docs/ecolyo-agent/functionalities/custom_popup.md
index af2abf903cdb5de3dad49806c685b9b7f91af064..8720f7371a59e54d75ed07059041abb546518827 100644
--- a/docs/ecolyo-agent/functionalities/custom_popup.md
+++ b/docs/ecolyo-agent/functionalities/custom_popup.md
@@ -6,6 +6,7 @@ It can be customized with :
 
 - a toggle
 - a title
+- an image (from the ecogestures library, or a standard bullhorn)
 - a description (250char max)
 - a duration