diff --git a/projjpn/src/test/java/de/hs_fulda/ciip/projjpn/CustomersTest.java b/projjpn/src/test/java/de/hs_fulda/ciip/projjpn/CustomersTest.java
index 3700e6a..6dc92c3 100644
--- a/projjpn/src/test/java/de/hs_fulda/ciip/projjpn/CustomersTest.java
+++ b/projjpn/src/test/java/de/hs_fulda/ciip/projjpn/CustomersTest.java
@@ -16,6 +16,9 @@ public class CustomersTest extends TestCase {
 		assertTrue(nicknameIsAvailable);
 	}
 	
+	/**
+	 * Register a user only when the given nickname is available.
+	 */
 	public void test_nicknameIsTaken() {
 		// Given
 		Customers customers = new Customers();
@@ -32,6 +35,9 @@ public class CustomersTest extends TestCase {
 		assertFalse(nicknameIsTaken);
 	}
 	
+	/**
+	 * Register a single user and check whether it worked.
+	 */
 	public void test_registerSingleUser() {
 		// Given
 		Customers customers = new Customers();