diff --git a/service-locator/src/main/java/com/iluwatar/servicelocator/App.java b/service-locator/src/main/java/com/iluwatar/servicelocator/App.java
index 57f188731..f86e1cc32 100644
--- a/service-locator/src/main/java/com/iluwatar/servicelocator/App.java
+++ b/service-locator/src/main/java/com/iluwatar/servicelocator/App.java
@@ -1,12 +1,18 @@
 package com.iluwatar.servicelocator;
 
 /**
- * Service locator pattern, used to lookup jndi services
+ * Service locator pattern, used to lookup JNDI-services
  * and cache them for subsequent requests.
  *
  * @author saifasif
+ * 
  */
 public class App {
+	
+	/**
+	 * Program entry point
+	 * @param args command line args
+	 */
     public static void main(String[] args) {
         Service service = ServiceLocator.getService("jndi/serviceA");
         service.execute();
diff --git a/service-locator/src/main/java/com/iluwatar/servicelocator/Service.java b/service-locator/src/main/java/com/iluwatar/servicelocator/Service.java
index dbb268159..4831add95 100644
--- a/service-locator/src/main/java/com/iluwatar/servicelocator/Service.java
+++ b/service-locator/src/main/java/com/iluwatar/servicelocator/Service.java
@@ -6,6 +6,7 @@ package com.iluwatar.servicelocator;
  * <li>service name</li>
  * <li>unique id</li>
  * <li>execution work flow</li>
+ * 
  * @author saifasif
  *
  */
diff --git a/service-locator/src/test/java/com/iluwatar/servicelocator/AppTest.java b/service-locator/src/test/java/com/iluwatar/servicelocator/AppTest.java
index d6af23f2d..90e091905 100644
--- a/service-locator/src/test/java/com/iluwatar/servicelocator/AppTest.java
+++ b/service-locator/src/test/java/com/iluwatar/servicelocator/AppTest.java
@@ -1,14 +1,19 @@
-package com.iluwatar.servicelocator;
-
-import org.junit.Test;
-
-import com.iluwatar.servicelocator.App;
-
-public class AppTest {
-
-	@Test
-	public void test() {
-		String[] args = {};
-		App.main(args);
-	}
-}
+package com.iluwatar.servicelocator;
+
+import org.junit.Test;
+
+import com.iluwatar.servicelocator.App;
+
+/**
+ * 
+ * Application test
+ *
+ */
+public class AppTest {
+
+	@Test
+	public void test() {
+		String[] args = {};
+		App.main(args);
+	}
+}