diff --git a/doc/feedback-themes.rst b/doc/feedback-themes.rst
index 41c9857..bd57082 100644
--- a/doc/feedback-themes.rst
+++ b/doc/feedback-themes.rst
@@ -36,6 +36,8 @@ Sound feedback
 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.
+
 VibraRumble feedback
 ~~~~~~~~~~~~~~~~~~~~