message: Heavier note.
diff: '@backstage/plugin-catalog': patch
  ---
  -The entity `<AboutCard />` now uses an external route ref to link to TechDocs
  -sites. This external route must now be bound in order for the "View TechDocs"
  -link to continue working. See the [create-app changelog][cacl] for details.
  +**NOTE**: The entity `<AboutCard />` now uses an external route ref to link to
  +TechDocs sites. This external route must now be bound in order for the "View
  +TechDocs" link to continue working. See the [create-app changelog][cacl] for
  +details.
  [cacl]: https://github.com/backstage/backstage/blob/master/packages/create-app/CHANGELOG.md
  