doc improvement.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@6659 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/Util.java

@@ -38,6 +38,8 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 /**
+ * Various utility methods that don't have more proper home.
+ *
  * @author Kohsuke Kawaguchi
  */
 public class Util {