diff --git a/.projections.json b/.projections.json
index 8f4e07373..c44f7cda2 100644
--- a/.projections.json
+++ b/.projections.json
@@ -4,6 +4,7 @@
     "template": [
       "---",
       "title: {basename|capitalize}",
+      "category: Ruby",
       "---"
     ]
   }
diff --git a/rails-controllers.md b/rails-controllers.md
index bd579c31e..da0dde39d 100644
--- a/rails-controllers.md
+++ b/rails-controllers.md
@@ -1,6 +1,7 @@
 ---
 title: Rails Controllers
 layout: default
+category: Ruby
 ---
 
 ### Common stuff
diff --git a/rails-features.md b/rails-features.md
index bdab38233..7e6bee4cc 100644
--- a/rails-features.md
+++ b/rails-features.md
@@ -1,6 +1,6 @@
 ---
 title: Rails features
-layout: default
+category: Ruby
 ---
 
 ### [Page caching](https://github.com/rails/actionpack-page_caching)
diff --git a/rails-forms.md b/rails-forms.md
index 5809673f9..ee458c915 100644
--- a/rails-forms.md
+++ b/rails-forms.md
@@ -1,7 +1,7 @@
 ---
 title: Rails form helpers
-layout: default
 hljs_languages: [haml]
+category: Ruby
 ---
 
 ## Form builder
diff --git a/rails-gems.md b/rails-gems.md
index ea914c746..057579e89 100644
--- a/rails-gems.md
+++ b/rails-gems.md
@@ -1,6 +1,6 @@
 ---
 title: Rails gems
-layout: default
+category: Ruby
 ---
 
 ### Rico's preferred rails gems
@@ -22,5 +22,3 @@ Prod:
     gem 'bourbon'
     gem 'neat'
     gem 'turbolinks'
-    gem 'nkss_rails'
-    gem 'jquery-turbolinks'
diff --git a/rails-helpers.md b/rails-helpers.md
index da036a9b0..5ecf10c1b 100644
--- a/rails-helpers.md
+++ b/rails-helpers.md
@@ -1,6 +1,6 @@
 ---
 title: Rails helpers
-layout: default
+category: Ruby
 ---
 
 ### Date
diff --git a/rails-i18n.md b/rails-i18n.md
index 112f72e6c..530435305 100644
--- a/rails-i18n.md
+++ b/rails-i18n.md
@@ -1,6 +1,6 @@
 ---
 title: Rails i18n
-layout: default
+category: Ruby
 ---
 
 ```rb
diff --git a/rails-migrations.md b/rails-migrations.md
index 9d49f7f59..ea561433f 100644
--- a/rails-migrations.md
+++ b/rails-migrations.md
@@ -1,6 +1,6 @@
 ---
 title: Rails migrations
-layout: default
+category: Ruby
 ---
 
 ### Automatically make migrations
diff --git a/rails-models.md b/rails-models.md
index e00bb3dac..7da4d8737 100644
--- a/rails-models.md
+++ b/rails-models.md
@@ -1,6 +1,6 @@
 ---
 title: Rails Models
-layout: default
+category: Ruby
 ---
 
 ### [Query methods](http://devdocs.io/rails/activerecord/querymethods#method-i-order)
diff --git a/rails-plugins.md b/rails-plugins.md
index 8b68f94b0..f5bd49ebf 100644
--- a/rails-plugins.md
+++ b/rails-plugins.md
@@ -1,6 +1,6 @@
 ---
 title: Rails plugins
-layout: default
+category: Ruby
 ---
 
 Generate a plugin
diff --git a/rails-routes.md b/rails-routes.md
index ab1fa636e..da3d59d07 100644
--- a/rails-routes.md
+++ b/rails-routes.md
@@ -1,6 +1,6 @@
 ---
 title: Rails routes
-layout: default
+category: Ruby
 ---
 
 ### Multiple resources
diff --git a/rails-tricks.md b/rails-tricks.md
index 5184ef7df..d0bc4dfc7 100644
--- a/rails-tricks.md
+++ b/rails-tricks.md
@@ -1,6 +1,6 @@
 ---
 title: Rails tricks
-layout: default
+category: Ruby
 ---
 
 in config/environments/development.rb:
diff --git a/rails.md b/rails.md
index 49c696767..3b8912c92 100644
--- a/rails.md
+++ b/rails.md
@@ -1,6 +1,6 @@
 ---
 title: Rails
-layout: default
+category: Ruby
 ---
 
 Helpers
diff --git a/rake.md b/rake.md
index 59f69bcb4..7d9ca14ab 100644
--- a/rake.md
+++ b/rake.md
@@ -1,6 +1,6 @@
 ---
 title: Rake
-layout: default
+category: Ruby
 ---
 
 ### Basic syntax
diff --git a/rdoc.md b/rdoc.md
index eeaeaea03..deb09bff7 100644
--- a/rdoc.md
+++ b/rdoc.md
@@ -1,6 +1,6 @@
 ---
 title: Rdoc
-layout: default
+category: Ruby
 ---
 
 ### Basic RDoc format
diff --git a/react-router.md b/react-router.md
index 7fa23640a..03cd91d56 100644
--- a/react-router.md
+++ b/react-router.md
@@ -1,5 +1,6 @@
 ---
 title: React-router
+category: JavaScript
 ---
 
 ### Basic
diff --git a/react.md b/react.md
index d465a1c60..d39c2f18b 100644
--- a/react.md
+++ b/react.md
@@ -1,5 +1,6 @@
 ---
 title: React.js
+category: JavaScript
 ---
 
 {%raw%}
diff --git a/redux.md b/redux.md
index 2b6f1225c..625bfc002 100644
--- a/redux.md
+++ b/redux.md
@@ -1,5 +1,6 @@
 ---
 title: Redux
+category: JavaScript
 ---
 
 ### Stores
diff --git a/regexp.md b/regexp.md
index 155fa3632..e192a4af7 100644
--- a/regexp.md
+++ b/regexp.md
@@ -1,6 +1,5 @@
 ---
 title: Regexp
-layout: default
 ---
 
     (?P<named_match>...)