You’ll find this post in your _posts directory. Go ahead and edit it and re-build the site to see your changes. You can rebuild the site in many different ways, but the most common way is to run jekyll serve, which launches a web server and auto-regenerates your site when a file is updated.

Wonderful course

Jekyll requires blog post files to be named according to the following format:

YEAR-MONTH-DAY-title.MARKUP