diff --git a/Gemfile b/Gemfile
index 8aca14d..099f4bd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,3 +7,5 @@ group :jekyll_plugins do
     gem 'jemoji'
     gem 'unicode_utils'
 end
+
+gem "webrick", "~> 1.8"
diff --git a/_config.yml b/_config.yml
index de608a9..7a59d72 100644
--- a/_config.yml
+++ b/_config.yml
@@ -10,15 +10,15 @@ description: >
 footer_text: >
   Powered by <a href="http://jekyllrb.com/" target="_blank">Jekyll</a> with <a href="https://github.com/alshedivat/al-folio">al-folio</a> theme.
 
-url:  # the base hostname & protocol for your site
-baseurl:  # the subpath of your site, e.g. /blog/
+url: https://probsys.github.io  # the base hostname & protocol for your site
+baseurl:  PoP # the subpath of your site, e.g. /blog/
 
 # -----------------------------------------------------------------------------
 # Social integration
 # -----------------------------------------------------------------------------
-github_username: sailinglab
-google_analytics: UA-131744305-1
-youtube_channel: UCim-E6bNz7lUyKZwhgN6S1A
+github_username:
+google_analytics:
+youtube_channel:
 rss:  # notes rss
 
 # -----------------------------------------------------------------------------
@@ -84,4 +84,4 @@ katex_version: "0.10.1"
 anchorjs_version: "3.2.2"
 latexjs_version: "0.11.1"
 
-theme: jekyll-theme-slate
\ No newline at end of file
+theme: jekyll-theme-slate