Notification: No comment text when user comment Link

Hello. Usualy when userA comment video, photo or album, content author get notification with userA's comment text.

But when userA comment link, link's author can't see comment text in notification, it missed He have to open this notification item to see that

APP_GROUP_STORY_USER_COMMENTED_ON_YOUR_LINK="%1$s commented on the link you shared in {b}%2$s{/b}"

Thanks.