message: docs: update capitalization
  Update capitalization per review.
  PR Close
diff: @@ -88,16 +88,16 @@ When `true`, the compiler does not check the TypeScript version and does not rep
  ### `enableI18nLegacyMessageIdFormat`
  -Instructs the Angular template compiler to generate legacy ids for messages that are tagged in templates by the `i18n` attribute.
  +Instructs the Angular template compiler to generate legacy IDs for messages that are tagged in templates by the `i18n` attribute.
  See [Localizing your app](guide/i18n#mark-text-for-translations) for more information about marking messages for localization.
  -Set this option to `false` unless your project relies upon translations that were previously generated using legacy ids. Default is `true`.
  +Set this option to `false` unless your project relies upon translations that were previously generated using legacy IDs. Default is `true`.
  -The pre-Ivy message extraction tooling generated a variety of legacy formats for extracted message ids.
  +The pre-Ivy message extraction tooling generated a variety of legacy formats for extracted message IDs.
  These message formats have a number of issues, such as whitespace handling and reliance upon information inside the original HTML of a template.
  The new message format is more resilient to whitespace changes, is the same across all translation file formats, and can be generated directly from calls to `$localize`.
  -This allows `$localize` messages in application code to use the same id as identical `i18n` messages in component templates.
  +This allows `$localize` messages in application code to use the same ID as identical `i18n` messages in component templates.
  ### `enableIvy`
  