diff --git a/doc/feedback-themes.rst b/doc/feedback-themes.rst
index 31fd868..bb9546b 100644
--- a/doc/feedback-themes.rst
+++ b/doc/feedback-themes.rst
@@ -45,6 +45,7 @@ Sound feedbacks specify an event name from a XDG sound theme. Sound themes
 are described in the ``Sound theme spec`` at https://freedesktop.org/wiki/Specifications/sound-theme-spec/
 
 - `event-name`: The sound event name to use.
+- `media-role`: The media role to set played audio stream. Defaults to `event`.
 
 VibraRumble feedback
 ~~~~~~~~~~~~~~~~~~~~