fix: code review

Author: AriPerkkio

docs/tutorialkit.dev/src/content/docs/reference/theming.mdx

@@ -55,7 +55,7 @@ If you want to start with a `theme.css` file that includes all the available CSS
 
 ### Links
 
-TODO What here?
+Tokens used by links.
 
 | Token                                    | Description                                          |
 | ---------------------------------------- | ---------------------------------------------------- |