diff --git a/build.gradle.kts b/build.gradle.kts
index 194edd2..d5366eb 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,3 +1,13 @@
+/*
+ * CDPrintable: A program that prints labels with track listings for your CD cases.
+ * Copyright (C) 2025 Alexander McLean
+ *
+ * This source code is licensed under the GNU General Public License v3.0
+ * found in the LICENSE file in the root directory of this source tree.
+ *
+ * This is the main build file.
+ */
+
 plugins {
     id("java")
     id("application")
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 2dab682..05ad671 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,2 +1,12 @@
+/*
+ * CDPrintable: A program that prints labels with track listings for your CD cases.
+ * Copyright (C) 2025 Alexander McLean
+ *
+ * This source code is licensed under the GNU General Public License v3.0
+ * found in the LICENSE file in the root directory of this source tree.
+ *
+ * This is a settings file for the Gradle build system.
+ */
+
 rootProject.name = "CDPrintable"
 
diff --git a/src/main/java/com/CDPrintable/Constants.java b/src/main/java/com/CDPrintable/Constants.java
index e869dac..fa86e2f 100644
--- a/src/main/java/com/CDPrintable/Constants.java
+++ b/src/main/java/com/CDPrintable/Constants.java
@@ -1,3 +1,13 @@
+/*
+ * CDPrintable: A program that prints labels with track listings for your CD cases.
+ * Copyright (C) 2025 Alexander McLean
+ *
+ * This source code is licensed under the GNU General Public License v3.0
+ * found in the LICENSE file in the root directory of this source tree.
+ *
+ * This class defines program constants.
+ */
+
 package com.CDPrintable;
 
 public class Constants {
diff --git a/src/main/java/com/CDPrintable/Main.java b/src/main/java/com/CDPrintable/Main.java
index dae9822..fad2b6c 100644
--- a/src/main/java/com/CDPrintable/Main.java
+++ b/src/main/java/com/CDPrintable/Main.java
@@ -1,3 +1,13 @@
+/*
+ * CDPrintable: A program that prints labels with track listings for your CD cases.
+ * Copyright (C) 2025 Alexander McLean
+ *
+ * This source code is licensed under the GNU General Public License v3.0
+ * found in the LICENSE file in the root directory of this source tree.
+ *
+ * This class contains the main method to run the program.
+ */
+
 package com.CDPrintable;
 
 public class Main {
diff --git a/src/main/java/com/CDPrintable/MusicBrainzRequest.java b/src/main/java/com/CDPrintable/MusicBrainzRequest.java
index efb6fc4..935ddab 100644
--- a/src/main/java/com/CDPrintable/MusicBrainzRequest.java
+++ b/src/main/java/com/CDPrintable/MusicBrainzRequest.java
@@ -1,3 +1,13 @@
+/*
+ * CDPrintable: A program that prints labels with track listings for your CD cases.
+ * Copyright (C) 2025 Alexander McLean
+ *
+ * This source code is licensed under the GNU General Public License v3.0
+ * found in the LICENSE file in the root directory of this source tree.
+ *
+ * This class helps you build a URL request to the MusicBrainz API.
+ */
+
 package com.CDPrintable;
 
 /**
diff --git a/src/main/java/com/CDPrintable/ProgramWindow.java b/src/main/java/com/CDPrintable/ProgramWindow.java
index 88018ca..3f0b5eb 100644
--- a/src/main/java/com/CDPrintable/ProgramWindow.java
+++ b/src/main/java/com/CDPrintable/ProgramWindow.java
@@ -1,3 +1,13 @@
+/*
+ * CDPrintable: A program that prints labels with track listings for your CD cases.
+ * Copyright (C) 2025 Alexander McLean
+ *
+ * This source code is licensed under the GNU General Public License v3.0
+ * found in the LICENSE file in the root directory of this source tree.
+ *
+ * This class creates the main window for the program.
+ */
+
 package com.CDPrintable;
 
 import javax.swing.*;
diff --git a/src/main/java/com/CDPrintable/UserAgent.java b/src/main/java/com/CDPrintable/UserAgent.java
index 0ad9337..c957cd5 100644
--- a/src/main/java/com/CDPrintable/UserAgent.java
+++ b/src/main/java/com/CDPrintable/UserAgent.java
@@ -1,3 +1,13 @@
+/*
+ * CDPrintable: A program that prints labels with track listings for your CD cases.
+ * Copyright (C) 2025 Alexander McLean
+ *
+ * This source code is licensed under the GNU General Public License v3.0
+ * found in the LICENSE file in the root directory of this source tree.
+ *
+ * This class store User Agent information.
+ */
+
 package com.CDPrintable;
 
 import javax.swing.JLabel;
diff --git a/src/main/java/com/CDPrintable/WebRequest.java b/src/main/java/com/CDPrintable/WebRequest.java
index 67f0a81..bd10083 100644
--- a/src/main/java/com/CDPrintable/WebRequest.java
+++ b/src/main/java/com/CDPrintable/WebRequest.java
@@ -1,3 +1,13 @@
+/*
+ * CDPrintable: A program that prints labels with track listings for your CD cases.
+ * Copyright (C) 2025 Alexander McLean
+ *
+ * This source code is licensed under the GNU General Public License v3.0
+ * found in the LICENSE file in the root directory of this source tree.
+ *
+ * This class sends web requests and returns the result.
+ */
+
 package com.CDPrintable;
 
 import java.io.BufferedReader;