Update _config.yml. remove space

_config.yml

@@ -25,7 +25,7 @@ description: >- # this means to ignore newlines until "baseurl:"
   but also how-to's or Did you know posts.
 baseurl: "" # the subpath of your site, e.g. /blog
 domain: mxw-sec.github.io
-url: "https://mxw-sec.github.io " # the base hostname & protocol for your site, e.g. http://example.com
+url: "https://mxw-sec.github.io" # the base hostname & protocol for your site, e.g. http://example.com
 twitter_username: jekyllrb
 github_username:  jekyll