diff --git a/MyEnum.java b/MyEnum.java
index d2fe08d..0952bc2 100644
--- a/MyEnum.java
+++ b/MyEnum.java
@@ -1,5 +1,8 @@
 package org.json.junit;
 
+/**
+ * An enum with no methods or data
+ */
 public enum MyEnum {
     VAL1,
     VAL2,
diff --git a/MyEnumField.java b/MyEnumField.java
index 7efec54..cff565a 100644
--- a/MyEnumField.java
+++ b/MyEnumField.java
@@ -1,5 +1,8 @@
 package org.json.junit;
 
+/**
+ * An enum that contains getters and some internal fields
+ */
 public enum MyEnumField {
     VAL1(1, "val 1"),
     VAL2(2, "val 2"),
diff --git a/StringsResourceBundle.java b/StringsResourceBundle.java
index b1b9df4..83d9322 100644
--- a/StringsResourceBundle.java
+++ b/StringsResourceBundle.java
@@ -2,6 +2,9 @@ package org.json.junit;
 
 import java.util.*;
 
+/**
+ * A resource bundle class
+ */
 public class StringsResourceBundle extends ListResourceBundle {
     public Object[][] getContents() {
         return contents;
diff --git a/TestRunner.java b/TestRunner.java
index 8f9dd89..d13c63e 100644
--- a/TestRunner.java
+++ b/TestRunner.java
@@ -4,6 +4,10 @@ import org.junit.runner.JUnitCore;
 import org.junit.runner.Result;
 import org.junit.runner.notification.Failure;
 
+/**
+ * Invoke this class main method if you want to run unit tests from the
+ * command line. If successful, will print "true" to stdout.
+ */
 public class TestRunner {
    public static void main(String[] args) {
       Result result = JUnitCore.runClasses(JunitTestSuite.class);