diff --git a/src/menu/sound.c b/src/menu/sound.c
index ea088447..f988ef8c 100644
--- a/src/menu/sound.c
+++ b/src/menu/sound.c
@@ -1,22 +1,28 @@
+/**
+ * @file sound.c
+ * @brief Sound component implementation
+ * @ingroup ui_components
+ */
+
 #include <stdbool.h>
-
 #include <libdragon.h>
-
 #include "mp3_player.h"
 #include "sound.h"
 
-
 #define DEFAULT_FREQUENCY   (44100)
 #define NUM_BUFFERS         (4)
 #define NUM_CHANNELS        (3)
 
 static wav64_t sfx_cursor, sfx_error, sfx_enter, sfx_exit, sfx_setting;
 
-
 static bool sound_initialized = false;
 static bool sfx_enabled = false;
 
-
+/**
+ * @brief Reconfigure the sound system with the specified frequency.
+ * 
+ * @param frequency The audio frequency.
+ */
 static void sound_reconfigure (int frequency) {
     if ((frequency > 0) && (audio_get_frequency() != frequency)) {
         if (sound_initialized) {
@@ -30,16 +36,23 @@ static void sound_reconfigure (int frequency) {
     }
 }
 
-
+/**
+ * @brief Initialize the default sound system.
+ */
 void sound_init_default (void) {
     sound_reconfigure(DEFAULT_FREQUENCY);
 }
 
+/**
+ * @brief Initialize the sound system for MP3 playback.
+ */
 void sound_init_mp3_playback (void) {
     sound_reconfigure(mp3player_get_samplerate());
 }
 
-
+/**
+ * @brief Initialize the sound effects.
+ */
 void sound_init_sfx (void) {
     mixer_ch_set_vol(SOUND_SFX_CHANNEL, 0.5f, 0.5f);
     wav64_open(&sfx_cursor, "rom:/cursorsound.wav64");
@@ -50,15 +63,20 @@ void sound_init_sfx (void) {
     sfx_enabled = true;
 }
 
+/**
+ * @brief Enable or disable sound effects.
+ * 
+ * @param state True to enable, false to disable.
+ */
 void sound_use_sfx(bool state) {
-    if (state) {
-        sfx_enabled = true;
-    }
-    else {
-        sfx_enabled = false;
-    }
+    sfx_enabled = state;
 }
 
+/**
+ * @brief Play a sound effect.
+ * 
+ * @param sfx The sound effect to play.
+ */
 void sound_play_effect(sound_effect_t sfx) {
     if(sfx_enabled) {
         switch (sfx) {
@@ -83,7 +101,9 @@ void sound_play_effect(sound_effect_t sfx) {
     }
 }
 
-
+/**
+ * @brief Deinitialize the sound system.
+ */
 void sound_deinit (void) {
     if (sound_initialized) {
         if (sfx_enabled) {
@@ -99,6 +119,9 @@ void sound_deinit (void) {
     }
 }
 
+/**
+ * @brief Poll the sound system to process audio playback.
+ */
 void sound_poll (void) {
     if (sound_initialized) {
         mixer_try_play();