Corrections to root_dir docs

Author: gjtorikian

README.md

@@ -298,7 +298,7 @@ The `HTMLProofer` constructor takes an optional hash of additional options:
 | `internal_domains`| An array of Strings containing domains that will be treated as internal urls. | `[]` |
 | `log_level` | Sets the logging level, as determined by [Yell](https://github.com/rudionrails/yell). One of `:debug`, `:info`, `:warn`, `:error`, or `:fatal`. | `:info`
 | `only_4xx` | Only reports errors for links that fall within the 4xx status code range. | `false` |
-| `root_dir` | The absolute path to the directory serving your html-files. Used when running html-proofer on a file, rather than a directory. | "" |
+| `root_dir` | The absolute path to the directory serving your html-files. | "" |
 | `typhoeus_config` | A JSON-formatted string. Parsed using `JSON.parse` and mapped on top of the default configuration values so that they can be overridden. | `{}` |
 | `url_ignore` | An array of Strings or RegExps containing URLs that are safe to ignore. It affects all HTML attributes. Note that non-HTTP(S) URIs are always ignored. | `[]` |
 | `url_swap` | A hash containing key-value pairs of `RegExp => String`. It transforms URLs that match `RegExp` into `String` via `gsub`. | `{}` |

bin/htmlproofer

@@ -50,7 +50,7 @@ Mercenary.program(:htmlproofer) do |p|
   p.option 'typhoeus_config', '--typhoeus-config CONFIG', String, 'JSON-formatted string of Typhoeus config. Will override the html-proofer defaults.'
   p.option 'url_ignore', '--url-ignore link1,[link2,...]', Array, 'A comma-separated list of Strings or RegExps containing URLs that are safe to ignore. It affects all HTML attributes. Note that non-HTTP(S) URIs are always ignored'
   p.option 'url_swap', '--url-swap re:string,[re:string,...]', Array, 'A comma-separated list containing key-value pairs of `RegExp => String`. It transforms URLs that match `RegExp` into `String` via `gsub`. The escape sequences `\\:` should be used to produce literal `:`s.'
-  p.option 'root_dir', '--root-folder PATH', String, 'The absolute path to the directory serving your html-files. Used when running html-proofer on a file, rather than a directory.'
+  p.option 'root_dir', '--root-dir PATH', String, 'The absolute path to the directory serving your html-files.'
 
   p.action do |args, opts|
     args = ['.'] if args.empty?