message: Fix outdated documentation on port arg
diff: @@ -23,8 +23,8 @@ export let args: ArgDescriptor[] = [
  },
  {
  name: 'root',
  - description: 'The root directory of your project. Defaults to the current' +
  - ' working directory',
  + description: 'The root directory of your project. Defaults to the ' +
  + 'current working directory',
  type: String,
  defaultOption: true,
  },
  @@ -41,14 +41,15 @@ export let args: ArgDescriptor[] = [
  description: 'Maximum size in bytes (actually, UTF-8 characters) of ' +
  'the cache used to store results for JavaScript compilation. Cache ' +
  'size includes the uncompiled and compiled file content lengths. ' +
  - 'Defaults to 52428800 (50MB)',
  + 'Defaults to 52428800 (50MB).',
  type: Number,
  defaultValue: 52428800,
  },
  {
  name: 'port',
  alias: 'p',
  - description: 'The port to serve from. Defaults to 8080',
  + description: 'The port to serve from. Serve will choose an open port for ' +
  + 'you by default.',
  type: Number,
  },
  {
  @@ -74,7 +75,8 @@ export let args: ArgDescriptor[] = [
  {
  name: 'package-name',
  alias: 'n',
  - description: 'The package name to use for the root directory. Defaults to' +
  + description:
  + 'The package name to use for the root directory. Defaults to ' +
  'reading from bower.json',
  type: String,
  },
  