Improve javadoc entry
@@ -371,7 +371,7 @@ class MuzzleDirective {
/**
* Slug of directive name.
*
- * @return
+ * @return A slug of the name or an empty string if name is empty. E.g. 'My Directive' --> 'My-Directive'
*/
String getNameSlug() {
if (null == name) {
