message: docs: use correct service name when creating error handler in `http` example
  PR Close
diff: @@ -30,7 +30,7 @@ export class PackageSearchService {
  constructor(
  private http: HttpClient,
  httpErrorHandler: HttpErrorHandler) {
  - this.handleError = httpErrorHandler.createHandleError('HeroesService');
  + this.handleError = httpErrorHandler.createHandleError('PackageSearchService');
  }
  search(packageName: string, refresh = false): Observable<NpmPackageInfo[]> {
  