diff --git a/spring-framework-reference/src/validation.xml b/spring-framework-reference/src/validation.xml
index 888a6f7586c..0b85444268a 100644
--- a/spring-framework-reference/src/validation.xml
+++ b/spring-framework-reference/src/validation.xml
@@ -1153,7 +1153,7 @@ public interface FormatterRegistry {
         http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
 
     <mvc:annotation-driven/>
-	
+    
 </beans>
 ]]>
 			</programlisting>