Amend PlayerInteractAtEntityEvent javadoc for ArmorStands

paper-api/src/main/java/org/bukkit/event/player/PlayerInteractAtEntityEvent.java

@@ -13,6 +13,9 @@ import org.jetbrains.annotations.NotNull;
  * <br>
  * Note that the client may sometimes spuriously send this packet in addition to {@link PlayerInteractEntityEvent}.
  * Users are advised to listen to this (parent) class unless specifically required.
+ * <br>
+ * Note that interacting with Armor Stands fires this event only and not its parent and as such users are expressly required
+ * to listen to this event for that scenario.
  */
 public class PlayerInteractAtEntityEvent extends PlayerInteractEntityEvent {
     private static final HandlerList handlers = new HandlerList();