zShare is a browser extension so that you can post to Social whilst still in the browser. However, when you use zShare to share links to your Facebook feed, you will only see the images auto-filled from the feed to your Publishing window. Facebook requires you to manually type content for posts shared. This is because Facebook restricts third-party apps such as Zoho Social from auto-filling content on your behalf. So, you'll have to type the copy that you'd like to share on your Facebook Page.