Merge pull request #38 from peterheard01/master

updated readme to match code

README.md

@@ -7,7 +7,7 @@ How To Use:
 -----------
 1. Copy file into your _plugins folder within your Jekyll project.
 2. Ensure url is set in your config file (for example `url: http://danielgroves.net`)
-3. In your config file, change `sitemap: file:` if you want your sitemap to be called something other than sitemap.xml.
+3. In your config file, change `sitemap: filename:` if you want your sitemap to be called something other than sitemap.xml.
 4. Change the `sitemap: exclude:` list to exclude any pages that you don't want in the sitemap. 
 5. Change the `sitemap: include_posts:` list to include any pages that are looping through your posts (e.g. "/index.html", "/notebook/index.md", etc.). This will ensure that right after you make a new post, the last modified date will be updated to reflect the new post.
 6. Run Jekyll: `jekyll build` to re-generate your site.
@@ -17,7 +17,7 @@ Configuration defaults:
 
 ```yaml
 sitemap:
-    file: "/sitemap.xml"
+    filename: "/sitemap.xml"
     exclude:
         - "/atom.xml"
         - "/feed.xml"