fix javadoc

Author: hboutemy

src/main/java/org/codehaus/plexus/util/xml/Xpp3DomUtils.java

@@ -235,15 +235,19 @@ public static Xpp3Dom mergeXpp3Dom(Xpp3Dom dominant, Xpp3Dom recessive) {
     }
 
     /**
-     * @deprecated Use {@link org.codehaus.plexus.util.StringUtils#isNotEmpty(String)} instead
+     * @param str a String
+     * @return true if not empty
+     * @deprecated Use org.codehaus.plexus.util.StringUtils#isNotEmpty(String) instead
      */
     @Deprecated
     public static boolean isNotEmpty(String str) {
         return (str != null && str.length() > 0);
     }
 
     /**
-     * @deprecated Use {@link org.codehaus.plexus.util.StringUtils#isEmpty(String)} instead
+     * @param str a String
+     * @return true if empty
+     * @deprecated Use org.codehaus.plexus.util.StringUtils#isEmpty(String) instead
      */
     @Deprecated
     public static boolean isEmpty(String str) {