message: Fix `--tsconfig` help description
diff: @@ -12,7 +12,7 @@ import { TypeScriptSource } from '../sources/typescript';
  export class TSConfigReader extends OptionsComponent {
  @Option({
  name: TSConfigReader.OPTIONS_KEY,
  - help: 'Specify a js option file that should be loaded. If not specified TypeDoc will look for \'typedoc.js\' in the current directory.',
  + help: 'Specify a typescript config file that should be loaded. If not specified TypeDoc will look for \'tsconfig.json\' in the current directory.',
  type: ParameterType.String,
  hint: ParameterHint.File
  })
  