message: Reflect breaking change in changeset.
diff: ---
  -'@backstage/plugin-techdocs': patch
  +'@backstage/plugin-techdocs': minor
  ---
  Adds support for being able to customize and compose your TechDocs reader page in the App.
  +
  +You can likely upgrade to this version without issue. If, however, you have
  +imported the `<Reader />` component in your custom code, the name of a property
  +has changed. You will need to make the following change anywhere you use it:
  +
  +```diff
  +-<Reader entityId={value} />
  ++<Reader entityRef={value} />
  +```
  