diff --git a/src/modules/module-device-restore.c b/src/modules/module-device-restore.c
index a24c0b3b0..8e0cf92be 100644
--- a/src/modules/module-device-restore.c
+++ b/src/modules/module-device-restore.c
@@ -53,6 +53,9 @@ PA_MODULE_AUTHOR("Lennart Poettering");
 PA_MODULE_DESCRIPTION("Automatically restore the volume/mute state of devices");
 PA_MODULE_VERSION(PACKAGE_VERSION);
 PA_MODULE_LOAD_ONCE(TRUE);
+PA_MODULE_USAGE(
+        "restore_volume=<Save/restore volumes?> "
+        "restore_muted=<Save/restore muted states?>");
 
 #define SAVE_INTERVAL 10
 
diff --git a/src/modules/module-stream-restore.c b/src/modules/module-stream-restore.c
index eb74bc048..0c9bd4f9a 100644
--- a/src/modules/module-stream-restore.c
+++ b/src/modules/module-stream-restore.c
@@ -56,6 +56,10 @@ PA_MODULE_AUTHOR("Lennart Poettering");
 PA_MODULE_DESCRIPTION("Automatically restore the volume/mute/device state of streams");
 PA_MODULE_VERSION(PACKAGE_VERSION);
 PA_MODULE_LOAD_ONCE(TRUE);
+PA_MODULE_USAGE(
+        "restore_device=<Save/restore sinks/sources?> "
+        "restore_volume=<Save/restore volumes?> "
+        "restore_muted=<Save/restore muted states?>");
 
 #define SAVE_INTERVAL 10