Fix JavaDoc: 'event' filter available since 1.18
@@ -2262,7 +2262,7 @@ public interface DockerClient extends Closeable {
* Show only certain events. For example, "event=pull" for image pull events.
* @param event Type of event to show
* @return EventsParam
- * @since API 1.21
+ * @since API 1.18
*/
public static EventsParam event(final String event) {
return filter("event", event);
