diff --git a/src/pipewire/keys.h b/src/pipewire/keys.h
index 13694bc29..6a465fa28 100644
--- a/src/pipewire/keys.h
+++ b/src/pipewire/keys.h
@@ -347,7 +347,8 @@ extern "C" {
 #define PW_KEY_MEDIA_ROLE		"media.role"		/**< Role: Movie, Music, Camera,
 								  *  Screen, Communication, Game,
 								  *  Notification, DSP, Production,
-								  *  Accessibility, Test */
+								  *  Accessibility, Test,
+								  *  Microphone, Speaker*/
 #define PW_KEY_MEDIA_CLASS		"media.class"		/**< class Ex: "Video/Source" */
 #define PW_KEY_MEDIA_NAME		"media.name"		/**< media name. Ex: "Pink Floyd: Time" */
 #define PW_KEY_MEDIA_TITLE		"media.title"		/**< title. Ex: "Time" */