diff --git a/megamek/src/megamek/client/ui/swing/audio/Sound.java b/megamek/src/megamek/client/ui/swing/audio/Sound.java
index f9c010057d2..fa750721396 100644
--- a/megamek/src/megamek/client/ui/swing/audio/Sound.java
+++ b/megamek/src/megamek/client/ui/swing/audio/Sound.java
@@ -1,3 +1,22 @@
+/*
+ * Copyright (c) 2023 - The MegaMek Team. All Rights Reserved.
+ *
+ * This file is part of MegaMek.
+ *
+ * MegaMek is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * MegaMek is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with MegaMek. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 package megamek.client.ui.swing.audio;
 
 import javax.sound.sampled.Clip;
diff --git a/megamek/src/megamek/client/ui/swing/audio/SoundManager.java b/megamek/src/megamek/client/ui/swing/audio/SoundManager.java
index c1bea0ba9a4..285c221b7d8 100644
--- a/megamek/src/megamek/client/ui/swing/audio/SoundManager.java
+++ b/megamek/src/megamek/client/ui/swing/audio/SoundManager.java
@@ -1,3 +1,22 @@
+/*
+ * Copyright (c) 2023 - The MegaMek Team. All Rights Reserved.
+ *
+ * This file is part of MegaMek.
+ *
+ * MegaMek is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * MegaMek is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with MegaMek. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 package megamek.client.ui.swing.audio;
 
 import megamek.client.ui.Messages;
@@ -26,6 +45,9 @@ public static SoundManager getInstance() {
     protected SoundManager() {
     }
 
+    /**
+     * Plays a sound when a chat message is entered
+     */
     public void bingChat() {
         if(!GUIP.getSoundMuteChat()) {
             setVolume(bingChat);
@@ -33,6 +55,9 @@ public void bingChat() {
         }
     }
 
+    /**
+     * Plays a sound when it is the user's turn during a game
+     */
     public void bingMyTurn() {
         if(!GUIP.getSoundMuteMyTurn()) {
             setVolume(bingMyTurn);
@@ -40,6 +65,9 @@ public void bingMyTurn() {
         }
     }
 
+    /**
+     * Plays a sound when it is another user's turn during a game
+     */
     public void bingOthersTurn() {
         if(!GUIP.getSoundMuteOthersTurn()) {
             setVolume(bingOthersTurn);
@@ -47,6 +75,9 @@ public void bingOthersTurn() {
         }
     }
 
+    /**
+     * Loads the sound files from the paths given in the client settings
+     */
     public void loadSoundFiles()  {
         final Clip bingClipChat = loadSoundClip(GUIP.getSoundBingFilenameChat());
         bingChat = new Sound(bingClipChat);