diff --git a/config/locales/en.yml b/config/locales/en.yml
index 7e0bd1b46..be80cb8a4 100755
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -468,3 +468,23 @@ en:
       user_permission_verify_info: "* Only for users on Madrid Census."
       user_permission_verify_url: verify your account
       user_permission_votes: Participate on final voting
+  omniauth:
+    finish_signup:
+      title: "Additional details"
+    twitter:
+      sign_in: "Sign in with Twitter"
+      sign_up: "Sign up with Twitter"
+    facebook:
+      sign_in: "Sign in with Facebook"
+      sign_up: "Sign up with Facebook"
+    #google_oauth2:
+    #  sign_in: "Sign in with Google"
+    #  sign_up: "Sign up with Google"
+  legislation:
+    help:
+      title: "How I can comment this document?"
+      text_logged: "Select the text you want to comment and press the button with the pencil."
+      text: "To comment this document you must %{sign_in} or %{sign_up}. Then select the text you want to comment and press the button with the pencil."
+      text_sign_in: "login"
+      text_sign_up: "sign up"
+      alt: "Select the text you want to comment and press the button with the pencil."
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 848a14bf9..9ba8a24ef 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -468,3 +468,23 @@ es:
       user_permission_verify_info: "* Sólo usuarios empadronados en el municipio de Madrid."
       user_permission_verify_url: verifica tu cuenta
       user_permission_votes: Participar en las votaciones finales*
+  omniauth:
+    finish_signup:
+      title: "Detalles adicionales de tu cuenta"
+    twitter:
+      sign_in: "Entra con Twitter"
+      sign_up: "Regístrate con Twitter"
+    facebook:
+      sign_in: "Entra con Facebook"
+      sign_up: "Regístrate con Facebook"
+    #google_oauth2:
+    #  sign_in: "Entra con Google"
+    #  sign_up: "Regístrate con Google"
+  legislation:
+    help:
+      title: "¿Cómo puedo comentar este documento?"
+      text_logged: "Selecciona el texto que quieres comentar y pulsa en el botón con el lápiz."
+      text: "Para comentar este documento debes %{sign_in} o %{sign_up}. Después selecciona el texto que quieres comentar y pulsa en el botón con el lápiz."
+      text_sign_in: "iniciar sesión"
+      text_sign_up: "registrarte"
+      alt: "Selecciona el texto que quieres comentar y pulsa en el botón con el lápiz."
diff --git a/db/migrate/20160119164320_add_registering_with_oauth_to_users.rb b/db/migrate/20160119164320_add_registering_with_oauth_to_users.rb
new file mode 100644
index 000000000..a29d310ba
--- /dev/null
+++ b/db/migrate/20160119164320_add_registering_with_oauth_to_users.rb
@@ -0,0 +1,5 @@
+class AddRegisteringWithOauthToUsers < ActiveRecord::Migration
+  def change
+    add_column :users, :registering_with_oauth, :bool, default: false
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index df5bbc3a9..963cce889 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -397,6 +397,7 @@ ActiveRecord::Schema.define(version: 20160122153329) do
     t.boolean  "newsletter",                           default: false
     t.integer  "notifications_count",                  default: 0
     t.string   "locale"
+    t.boolean  "registering_with_oauth",               default: false
   end
 
   add_index "users", ["confirmation_token"], name: "index_users_on_confirmation_token", unique: true, using: :btree