diff --git a/src/main/java/com/fasterxml/jackson/annotation/JsonFormat.java b/src/main/java/com/fasterxml/jackson/annotation/JsonFormat.java
index 2bbd2508..23fa1535 100644
--- a/src/main/java/com/fasterxml/jackson/annotation/JsonFormat.java
+++ b/src/main/java/com/fasterxml/jackson/annotation/JsonFormat.java
@@ -17,9 +17,9 @@
  * or String (such as ISO-8601 compatible time value) -- as well as configuring
  * exact details with {@link #pattern} property.
  *<p>
- * As of Jackson 2.6, known special handling includes:
+ * As of Jackson 2.18, known special handling includes:
  *<ul>
- * <li>{@link java.util.Date}: Shape can  be {@link Shape#STRING} or {@link Shape#NUMBER};
+ * <li>{@link java.util.Date} or {@link java.util.Calendar} : Shape can  be {@link Shape#STRING} or {@link Shape#NUMBER};
  *    pattern may contain {@link java.text.SimpleDateFormat}-compatible pattern definition.
  *   </li>
  * <li>{@code java.time.*}: Types in the {@code java.time} package can use