diff --git a/web/example/src/main/java/example/users/web/UserController.java b/web/example/src/main/java/example/users/web/UserController.java
index 14164144..721c78d4 100644
--- a/web/example/src/main/java/example/users/web/UserController.java
+++ b/web/example/src/main/java/example/users/web/UserController.java
@@ -75,7 +75,7 @@ class UserController {
 	 * Registers a new {@link User} for the data provided by the given {@link UserForm}. Note, how an interface is used to
 	 * bind request parameters.
 	 * 
-	 * @param form the request data bound to the {@link UserForm} instance.
+	 * @param userForm the request data bound to the {@link UserForm} instance.
 	 * @param binding the result of the binding operation.
 	 * @param model the Spring MVC {@link Model}.
 	 * @return
diff --git a/web/example/src/main/resources/messages.properties b/web/example/src/main/resources/messages.properties
index adf14cde..4d8a1e80 100644
--- a/web/example/src/main/resources/messages.properties
+++ b/web/example/src/main/resources/messages.properties
@@ -1,2 +1,7 @@
+user.username.empty = Username is required!
 user.username.exists = Username already exists!
-user.password.no-match = The given passwords don't match!
\ No newline at end of file
+user.username.invalidFormat = Invalid Username format!
+user.password.empty = Password is required!
+user.password.no-match = The given passwords don't match!
+user.repeatedPassword.empty = Repeated password is required!
+