message: docs(aio): show correct path for mock-heroes code
  PR Close
diff: @@ -16,7 +16,7 @@ Define a `HEROES` constant as an array of ten heroes and export it.
  The file should look like this.
  <code-example path="toh-pt2/src/app/mock-heroes.ts" linenums="false"
  -title="src/app/heroes/mock-heroes.ts">
  +title="src/app/mock-heroes.ts">
  </code-example>
  ## Displaying heroes
  