Update codestyle.xml

pmd-java/src/main/resources/category/java/codestyle.xml

@@ -387,7 +387,7 @@ public class Foo extends Bar{
         <example>
 <![CDATA[
 // This is Pascal case, the recommended naming convention in Java
-// Note that the default values of this rule don't allow underscores, 
+// Note that the default values of this rule don't allow underscores 
 // or accented characters in type names
 public class FooBar {}