Docs: fix .order values in the migration guide (twbs#41030)

Author: julien-deramond

site/content/docs/5.3/migration.md

@@ -445,7 +445,7 @@ Want more information? [Read the v5.1.0 blog post.](https://blog.getbootstrap.co
 
 - Columns no longer have `position: relative` applied, so you may have to add `.position-relative` to some elements to restore that behavior.
 
-- <span class="badge text-bg-danger">Breaking</span> Dropped several `.order-*` classes that often went unused. We now only provide `.order-1` to `.order-5` out of the box.
+- <span class="badge text-bg-danger">Breaking</span> Dropped several `.order-*` classes that often went unused. We now only provide `.order-0` to `.order-5` out of the box.
 
 - <span class="badge text-bg-danger">Breaking</span> Dropped the `.media` component as it can be easily replicated with utilities. [See #28265](https://github.com/twbs/bootstrap/pull/28265) and the [flex utilities page for an example]({{< docsref "/utilities/flex#media-object" >}}).