diff --git a/tools/linux/snd/sound_init.mk b/tools/linux/snd/sound_init.mk
index 716278c87..f660e6ca3 100644
--- a/tools/linux/snd/sound_init.mk
+++ b/tools/linux/snd/sound_init.mk
@@ -3,6 +3,8 @@
 #
 # SPDX-License-Identifier: BSD-2-Clause
 #
+# Generates asound.conf, snd_driver_init
+#
 
 ifeq ($(strip $(MICROKIT_BOARD)),)
 $(error MICROKIT_BOARD must be specified)