Update _config.yml

_config.yml

@@ -162,13 +162,13 @@ giscus:
   lang: en
 
 # Disqus comments (DEPRECATED)
- disqus_shortname: al-folio # put your disqus shortname
+disqus_shortname: al-folio # put your disqus shortname
 # https://help.disqus.com/en/articles/1717111-what-s-a-shortname
 
 # External sources.
 # If you have blog posts published on medium.com or other external sources,
 # you can display them in your blog by adding a link to the RSS feed.
- external_sources:
+external_sources:
   - name: medium.com
     rss_url: https://medium.com/@al-folio/feed
   - name: Google Blog