Did you click the 
button on another member's post by accident? Don't worry, you can unlike a post by clicking on the button once more. After you click the button a second time, you will see the Like count of the post decrease by one, and your display name will be removed from the list of members that liked the particular post.
button on another member's post by accident? Don't worry, you can unlike a post by clicking on the button once more. After you click the button a second time, you will see the Like count of the post decrease by one, and your display name will be removed from the list of members that liked the particular post.