diff --git a/app/models/activity.rb b/app/models/activity.rb
index fa1162a..f7dc526 100644
--- a/app/models/activity.rb
+++ b/app/models/activity.rb
@@ -1,4 +1,15 @@
 # Activity is a record of completed RoomActivity by someone
+#
+# == Schema Information
+#
+# Table name: activities
+#
+#  id               :integer   not null, primary key
+#  created_at       :datetime
+#  updated_at       :datetime
+#  user_id          :integer
+#  room_activity_id :integer
+#
 class Activity < ApplicationRecord
   belongs_to :user
   belongs_to :room_activity
diff --git a/app/models/room.rb b/app/models/room.rb
index 2a5e838..a6ae143 100644
--- a/app/models/room.rb
+++ b/app/models/room.rb
@@ -1,5 +1,15 @@
 # A room is a place where users who live in that room do activities like
 # 'taking out trash' with their roommates
+#
+# == Schema Information
+#
+# Table name: rooms
+#
+#  id               :integer   not null, primary key
+#  created_at       :datetime
+#  updated_at       :datetime
+#  name             :integer   not null
+#
 class Room < ApplicationRecord
   has_many :users
   has_many :room_activities, dependent: :destroy
diff --git a/app/models/room_activity.rb b/app/models/room_activity.rb
index 8681cce..7263743 100644
--- a/app/models/room_activity.rb
+++ b/app/models/room_activity.rb
@@ -1,4 +1,16 @@
 # Room activities are activities that room uses
+#
+# == Schema Information
+#
+# Table name: room_activities
+#
+#  id               :integer   not null, primary key
+#  created_at       :datetime
+#  updated_at       :datetime
+#  name character   :string
+#  room_id          :integer
+#  enabled          :boolean   DEFAULT(true)
+#
 class RoomActivity < ApplicationRecord
   DEFAULT_ROOM_ACTIVITIES = [
     'taking out trash',
diff --git a/app/models/room_request.rb b/app/models/room_request.rb
index 0048b9d..31390f2 100644
--- a/app/models/room_request.rb
+++ b/app/models/room_request.rb
@@ -1,4 +1,15 @@
 # Room requests are requests for joining the room
+#
+# == Schema Information
+#
+# Table name: room_requests
+#
+#  id               :integer   not null, primary key
+#  created_at       :datetime
+#  updated_at       :datetime
+#  room_id          :integer
+#  sender_id        :integer
+#
 class RoomRequest < ApplicationRecord
   belongs_to :room
   belongs_to :sender, class_name: 'User'
diff --git a/app/models/user.rb b/app/models/user.rb
index f7d88ef..19929f3 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -1,4 +1,20 @@
 # User is a preson, who lives in a hostel room
+#
+# == Schema Information
+#
+# Table name: room_requests
+#
+#  id                   :integer    not null, primary key
+#  created_at           :datetime
+#  updated_at           :datetime
+#  name                 :string     DEFAULT(''), not null
+#  email                :string     DEFAULT(''), not null
+#  encrypted_password   :string     DEFAULT(''), not null
+#  room_id              :integer
+#  provider             :string
+#  uid                  :string
+#  photo_url            :string
+#
 class User < ApplicationRecord
   belongs_to :room, optional: true
   has_many :activities