javadoc improvement
diff --git a/src/main/java/com/fasterxml/jackson/annotation/JsonTypeInfo.java b/src/main/java/com/fasterxml/jackson/annotation/JsonTypeInfo.java
index 3e2a4a1..fce779e 100644
--- a/src/main/java/com/fasterxml/jackson/annotation/JsonTypeInfo.java
+++ b/src/main/java/com/fasterxml/jackson/annotation/JsonTypeInfo.java
@@ -246,14 +246,16 @@
* There are certain special values that indicate alternate behavior:
*<ul>
* <li>{@link None} means "there is no default implementation" (in which
- * case an error results from unmappable type)
+ * case an error results from unmappable type).
+ * With Jackson 2.5 and above, {@link JsonTypeInfo} itself will also be
+ * accepted to meanb "no default implementation specified"
* <li><code>com.fasterxml.jackson.databind.annotation.NoClass</code> means that
* objects with unmappable (or missing) type are to be mapped to null references.
+ * With Jackson 2.5, {@link java.util.Void} may also be used to indicate this
+ * behavior
* </ul>
*<p>
- * NOTE: starting with 2.5, jackson-databind recognizes both {@link None}
- * and {@link java.lang.Void}.
- * as missing values; so with 2.6 we should switch over to using {@link java.lang.Void}
+ * TODO: change default value to be {@link JsonTypeInfo}.class in 2.6
*/
public Class<?> defaultImpl() default None.class;