updating readme.

Author: hectorleiva

README.md

@@ -5,13 +5,13 @@ A very simple XML Scraper that will search for all the `<loc></loc>` tags within
 ### Set-up
 - Run `npm install` to install all the dependancies.
 ```
-node app.js --site=http://www.nytimes-se.com/nytse/sitemap.xml
+node app.js --sitemap_index_url=http://www.nytimes-se.com/nytse/sitemap.xml
 ```
 #### Cron
 - This node application features a running internal cron job that can be set using a regular cron expression and using the `cron_schedule=` flag within the CLI command for this job. The following command will scrap on the 30 minute marker the specified sitemap.
 
 ```bash
-node app.js --site=http://www.nytimes-se.com/nytse/sitemap.xml --cron_schedule="30 * * * *"
+node app.js --sitemap_index_url=http://www.nytimes-se.com/nytse/sitemap.xml --cron_schedule="30 * * * *"
 ```
 
 ### Saving