src/java.base/share/classes/java/io/InvalidClassException.java

*** 31,40 ****
--- 31,44 ----
   * <UL>
   * <LI> The serial version of the class does not match that of the class
   *      descriptor read from the stream
   * <LI> The class contains unknown datatypes
   * <LI> The class does not have an accessible no-arg constructor
+  * <LI> The ObjectStreamClass of an enum constant does not represent
+  * an enum type
+  * <LI> Other conditions given in the <cite>Java Object Serialization
+  * Specification</cite>
   * </UL>
   *
   * @author  unascribed
   * @since   1.1
   */