When looking through the tags page, tag synonyms are shown in the list. When you hover over them, they show the description for the parent tag. For example, when hovering over the godfather tag on Movies & TV, it correctly shows the tag wiki excerpt for the the-godfather tag:
However, it does not show the full description underneath it, like the parent tag does:
To make the tags and synonyms easier to navigate, can the full descriptions please be inherited too?