The link you followed will bring you to this page:
https://docs.google.com/document/d/e/2PACX-1vQ25AHN8jiFmw85wn0EiVVmVZpgkcgs2qymQDI_jJSGbbSwSbc6qkr0gtBZ63H9IzkFlOSsAwfyGuXK/pub
Short link transparency lets you know the destination of a link and other important information before even opening the link.