diff --git a/app/assets/stylesheets/participation.scss b/app/assets/stylesheets/participation.scss
index 064a202cb..f03c76038 100644
--- a/app/assets/stylesheets/participation.scss
+++ b/app/assets/stylesheets/participation.scss
@@ -5,7 +5,7 @@
 // 03. Show participation
 // 04. List participation
 // 05. Featured
-// 06. Proposals successfull
+// 06. Proposals successful
 //
 
 // 01. Votes and supports
@@ -942,7 +942,7 @@
   }
 }
 
-// 06. Proposals successfull
+// 06. Proposals successful
 // -------------------------
 
 .dark-heading {
@@ -1001,9 +1001,9 @@
 }
 
 .sucessfull-proposals-banner,
-.successfull .panel {
+.successful .panel {
 
-  .icon-successfull {
+  .icon-successful {
     border-right: 60px solid #FFD200;
     border-top: 0;
     border-bottom: 60px solid transparent;
@@ -1034,7 +1034,7 @@
   }
 }
 
-.successfull {
+.successful {
 
   .panel {
     position: relative;
diff --git a/app/controllers/debates_controller.rb b/app/controllers/debates_controller.rb
index 7d2149cad..f97334d84 100644
--- a/app/controllers/debates_controller.rb
+++ b/app/controllers/debates_controller.rb
@@ -22,7 +22,7 @@ class DebatesController < ApplicationController
 
   def index_customization
      @featured_debates = @debates.featured
-     @proposal_successfull_exists = Proposal.successfull.exists?
+     @proposal_successful_exists = Proposal.successful.exists?
   end
 
   def show
diff --git a/app/controllers/proposals_controller.rb b/app/controllers/proposals_controller.rb
index c729401aa..3bf559c17 100644
--- a/app/controllers/proposals_controller.rb
+++ b/app/controllers/proposals_controller.rb
@@ -28,8 +28,8 @@ class ProposalsController < ApplicationController
   def index_customization
     discard_archived
     load_retired
-    load_successfull_proposals
-    load_featured unless @proposal_successfull_exists
+    load_successful_proposals
+    load_featured unless @proposal_successful_exists
   end
 
   def vote
@@ -103,8 +103,8 @@ class ProposalsController < ApplicationController
       end
     end
 
-    def load_successfull_proposals
-      @proposal_successfull_exists = Proposal.successfull.exists?
+    def load_successful_proposals
+      @proposal_successful_exists = Proposal.successful.exists?
     end
 
 end
diff --git a/app/models/proposal.rb b/app/models/proposal.rb
index 7bd4b7a92..75e5cbe20 100644
--- a/app/models/proposal.rb
+++ b/app/models/proposal.rb
@@ -50,7 +50,7 @@ class Proposal < ActiveRecord::Base
   scope :last_week,                -> { where("proposals.created_at >= ?", 7.days.ago)}
   scope :retired,                  -> { where.not(retired_at: nil) }
   scope :not_retired,              -> { where(retired_at: nil) }
-  scope :successfull,              -> { where("cached_votes_up + physical_votes >= ?", Proposal.votes_needed_for_success)}
+  scope :successful,              -> { where("cached_votes_up + physical_votes >= ?", Proposal.votes_needed_for_success)}
 
   def to_param
     "#{id}-#{title}".parameterize
@@ -159,7 +159,7 @@ class Proposal < ActiveRecord::Base
     Setting['votes_for_proposal_success'].to_i
   end
 
-  def successfull?
+  def successful?
     total_votes >= Proposal.votes_needed_for_success
   end
 
diff --git a/app/views/debates/index.html.erb b/app/views/debates/index.html.erb
index 7912bf421..4cee62dd3 100644
--- a/app/views/debates/index.html.erb
+++ b/app/views/debates/index.html.erb
@@ -29,11 +29,11 @@
         <%= render "shared/banner" %>
       <% end %>
 
-      <% if @proposal_successfull_exists %>
-        <%= render "proposals/successfull_banner" %>
+      <% if @proposal_successful_exists %>
+        <%= render "proposals/successful_banner" %>
       <% end %>
 
-      <% unless @tag_filter || @search_terms || !has_featured? || @proposal_successfull_exists %>
+      <% unless @tag_filter || @search_terms || !has_featured? || @proposal_successful_exists %>
         <%= render "featured_debates" %>
       <% end %>
 
diff --git a/app/views/proposals/_proposal.html.erb b/app/views/proposals/_proposal.html.erb
index 436409580..d0a56cd20 100644
--- a/app/views/proposals/_proposal.html.erb
+++ b/app/views/proposals/_proposal.html.erb
@@ -1,8 +1,8 @@
 <div id="<%= dom_id(proposal) %>"
-     class="proposal clear <%= ("successfull" if proposal.total_votes > Proposal.votes_needed_for_success) %>"
+     class="proposal clear <%= ("successful" if proposal.total_votes > Proposal.votes_needed_for_success) %>"
      data-type="proposal">
   <div class="panel">
-    <div class="icon-successfull"></div>
+    <div class="icon-successful"></div>
     <div class="row">
 
       <div class="small-12 medium-9 column">
@@ -53,10 +53,10 @@
       </div>
 
       <div id="<%= dom_id(proposal) %>_votes" class="small-12 medium-3 column">
-        <% if proposal.successfull? %>
+        <% if proposal.successful? %>
           <div class="message">
             <p>
-              <%= t("proposals.proposal.successfull",
+              <%= t("proposals.proposal.successful",
                   voting: link_to(t("proposals.proposal.voting"), polls_path)).html_safe %>
             </p>
           </div>
diff --git a/app/views/proposals/_proposal_ballots_banner.html.erb b/app/views/proposals/_proposal_ballots_banner.html.erb
index 1e095b767..662865c44 100644
--- a/app/views/proposals/_proposal_ballots_banner.html.erb
+++ b/app/views/proposals/_proposal_ballots_banner.html.erb
@@ -1,7 +1,7 @@
 <div id="next-voting" class="row featured-proposals-ballot-banner">
   <%= link_to polls_path do %>
     <div class="small-12 column padding">
-      <div class="icon-successfull"></div>
+      <div class="icon-successful"></div>
       <h2><%= t("proposal_ballots.featured_title") %></h2>
       <p><%= t("proposal_ballots.info") %></p>
     </div>
diff --git a/app/views/proposals/_successfull_banner.html.erb b/app/views/proposals/_successful_banner.html.erb
similarity index 86%
rename from app/views/proposals/_successfull_banner.html.erb
rename to app/views/proposals/_successful_banner.html.erb
index c29ed5fe9..d593f5858 100644
--- a/app/views/proposals/_successfull_banner.html.erb
+++ b/app/views/proposals/_successful_banner.html.erb
@@ -1,7 +1,7 @@
 <div id="next-voting" class="row sucessfull-proposals-banner">
   <%= link_to polls_path do %>
     <div class="small-12 column padding">
-      <div class="icon-successfull"></div>
+      <div class="icon-successful"></div>
       <h2><%= t("enquiries.banner.featured_title") %></h2>
       <p><%= t("enquiries.banner.info") %></p>
     </div>
diff --git a/app/views/proposals/index.html.erb b/app/views/proposals/index.html.erb
index 6fce1c742..d8a5323d9 100644
--- a/app/views/proposals/index.html.erb
+++ b/app/views/proposals/index.html.erb
@@ -31,8 +31,8 @@
         <%= render "shared/banner" %>
       <% end %>
 
-      <% if @proposal_successfull_exists %>
-        <%= render "successfull_banner" %>
+      <% if @proposal_successful_exists %>
+        <%= render "successful_banner" %>
       <% elsif @featured_proposals.present? %>
         <div id="featured-proposals" class="row featured-proposals">
           <div class="small-12 column">
diff --git a/app/views/proposals/show.html.erb b/app/views/proposals/show.html.erb
index 2311bdbf9..87f09f1ac 100644
--- a/app/views/proposals/show.html.erb
+++ b/app/views/proposals/show.html.erb
@@ -103,9 +103,9 @@
         <div class="sidebar-divider"></div>
         <h3><%= t("votes.supports") %></h3>
         <div id="<%= dom_id(@proposal) %>_votes">
-          <% if @proposal.successfull? %>
+          <% if @proposal.successful? %>
             <p>
-              <%= t("proposals.proposal.successfull",
+              <%= t("proposals.proposal.successful",
                   voting: link_to(t("proposals.proposal.voting"), polls_path)).html_safe %>
             </p>
             <% if can? :create, Poll::Question %>
diff --git a/config/locales/en.yml b/config/locales/en.yml
index d04f21e64..34cdf49e6 100755
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -354,7 +354,7 @@ en:
       supports_necessary: "%{number} supports needed"
       total_percent: 100%
       archived: "This proposal has been archived and can't collect supports."
-      successfull: "This proposal has reached the required supports and will be voted in the %{voting}."
+      successful: "This proposal has reached the required supports and will be voted in the %{voting}."
       voting: "next voting"
     show:
       author_deleted: User deleted
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 2ae5603d9..4e8ac8149 100755
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -354,7 +354,7 @@ es:
       supports_necessary: "%{number} apoyos necesarios"
       total_percent: 100%
       archived: "Esta propuesta ha sido archivada y ya no puede recoger apoyos."
-      successfull: "Esta propuesta ha alcanzado los apoyos necesarios y pasará a la %{voting}."
+      successful: "Esta propuesta ha alcanzado los apoyos necesarios y pasará a la %{voting}."
       voting: "próxima votación"
     show:
       author_deleted: Usuario eliminado
diff --git a/db/dev_seeds.rb b/db/dev_seeds.rb
index 7ca790f1f..07594b387 100644
--- a/db/dev_seeds.rb
+++ b/db/dev_seeds.rb
@@ -439,7 +439,7 @@ puts "Creating Poll Question from Proposals"
   puts " #{question.title} (from proposal)"
 end
 
-puts "Creating Successfull Proposals"
+puts "Creating Successful Proposals"
 
 (1..10).each do |i|
   proposal = Proposal.reorder("RANDOM()").first
diff --git a/spec/features/proposal_ballots_spec.rb b/spec/features/proposal_ballots_spec.rb
index 0303544d1..d602a8da7 100644
--- a/spec/features/proposal_ballots_spec.rb
+++ b/spec/features/proposal_ballots_spec.rb
@@ -10,7 +10,7 @@ feature 'Proposal ballots' do
     expect(page).to_not have_css("#next-voting")
     expect(page).to have_css("#featured-proposals")
 
-    create_successfull_proposals
+    create_successful_proposals
 
     visit proposals_path
 
@@ -18,12 +18,12 @@ feature 'Proposal ballots' do
     expect(page).to_not have_css("#featured-proposals")
   end
 
-  scenario 'Successfull proposals do not show support buttons in index' do
-    successfull_proposals = create_successfull_proposals
+  scenario 'Successful proposals do not show support buttons in index' do
+    successful_proposals = create_successful_proposals
 
     visit proposals_path
 
-    successfull_proposals.each do |proposal|
+    successful_proposals.each do |proposal|
       within("#proposal_#{proposal.id}_votes") do
         expect(page).to_not have_css(".supports")
         expect(page).to have_content "This proposal has reached the required supports"
@@ -31,10 +31,10 @@ feature 'Proposal ballots' do
     end
   end
 
-  scenario 'Successfull proposals do not show support buttons in show' do
-    successfull_proposals = create_successfull_proposals
+  scenario 'Successful proposals do not show support buttons in show' do
+    successful_proposals = create_successful_proposals
 
-    successfull_proposals.each do |proposal|
+    successful_proposals.each do |proposal|
       visit proposal_path(proposal)
       within("#proposal_#{proposal.id}_votes") do
         expect(page).to_not have_css(".supports")
@@ -43,12 +43,12 @@ feature 'Proposal ballots' do
     end
   end
 
-  scenario 'Successfull proposals are listed in the proposal ballots index' do
-    successfull_proposals = create_successfull_proposals
+  scenario 'Successful proposals are listed in the proposal ballots index' do
+    successful_proposals = create_successful_proposals
 
     visit proposal_ballots_path
 
-    successfull_proposals.each do |proposal|
+    successful_proposals.each do |proposal|
       expect(page).to have_content(proposal.title)
     end
   end
diff --git a/spec/features/proposals_spec.rb b/spec/features/proposals_spec.rb
index 91966f860..67f6ae8f6 100644
--- a/spec/features/proposals_spec.rb
+++ b/spec/features/proposals_spec.rb
@@ -1489,7 +1489,7 @@ feature 'Proposals' do
 
 end
 
-feature 'Successfull proposals' do
+feature 'Successful proposals' do
 
   scenario 'Banner shows in proposal index' do
     create_featured_proposals
@@ -1498,7 +1498,7 @@ feature 'Successfull proposals' do
     expect(page).to_not have_css("#next-voting")
     expect(page).to have_css("#featured-proposals")
 
-    create_successfull_proposals
+    create_successful_proposals
 
     visit proposals_path
 
@@ -1506,12 +1506,12 @@ feature 'Successfull proposals' do
     expect(page).to_not have_css("#featured-proposals")
   end
 
-  scenario 'Successfull proposals do not show support buttons in index' do
-    successfull_proposals = create_successfull_proposals
+  scenario 'Successful proposals do not show support buttons in index' do
+    successful_proposals = create_successful_proposals
 
     visit proposals_path
 
-    successfull_proposals.each do |proposal|
+    successful_proposals.each do |proposal|
       within("#proposal_#{proposal.id}_votes") do
         expect(page).to_not have_css(".supports")
         expect(page).to have_content "This proposal has reached the required supports"
@@ -1519,10 +1519,10 @@ feature 'Successfull proposals' do
     end
   end
 
-  scenario 'Successfull proposals do not show support buttons in show' do
-    successfull_proposals = create_successfull_proposals
+  scenario 'Successful proposals do not show support buttons in show' do
+    successful_proposals = create_successful_proposals
 
-    successfull_proposals.each do |proposal|
+    successful_proposals.each do |proposal|
       visit proposal_path(proposal)
       within("#proposal_#{proposal.id}_votes") do
         expect(page).to_not have_css(".supports")
@@ -1531,12 +1531,12 @@ feature 'Successfull proposals' do
     end
   end
 
-  scenario 'Successfull proposals show create enquiry button to admin users' do
-    successfull_proposals = create_successfull_proposals
+  scenario 'Successful proposals show create enquiry button to admin users' do
+    successful_proposals = create_successful_proposals
 
     visit proposals_path
 
-    successfull_proposals.each do |proposal|
+    successful_proposals.each do |proposal|
       within("#proposal_#{proposal.id}_votes") do
         expect(page).to_not have_link "Create question"
       end
@@ -1546,7 +1546,7 @@ feature 'Successfull proposals' do
 
     visit proposals_path
 
-    successfull_proposals.each do |proposal|
+    successful_proposals.each do |proposal|
       within("#proposal_#{proposal.id}_votes") do
         expect(page).to have_link "Create question"
       end
diff --git a/spec/features/users_auth_spec.rb b/spec/features/users_auth_spec.rb
index 5b3c157d7..177b0c365 100644
--- a/spec/features/users_auth_spec.rb
+++ b/spec/features/users_auth_spec.rb
@@ -289,16 +289,16 @@ feature 'Users' do
   scenario 'Sign in, admin with password expired' do
     user = create(:user, password_changed_at: Time.now - 1.year)
     admin = create(:administrator, user: user)
-    
+
     login_as(admin.user)
     visit root_path
-    
+
     expect(page).to have_content "Your password is expired"
 
     fill_in 'user_current_password', with: 'judgmentday'
     fill_in 'user_password', with: '123456789'
     fill_in 'user_password_confirmation', with: '123456789'
-  
+
     click_button 'Change your password'
 
     expect(page).to have_content "Password successfully updated"
@@ -307,37 +307,37 @@ feature 'Users' do
   scenario 'Sign in, admin without password expired' do
     user = create(:user, password_changed_at: Time.now - 360.days)
     admin = create(:administrator, user: user)
-    
+
     login_as(admin.user)
     visit root_path
 
-    expect(page).to_not have_content "Your password is expired" 
+    expect(page).to_not have_content "Your password is expired"
   end
 
   scenario 'Sign in, user with password expired' do
     user = create(:user, password_changed_at: Time.now - 1.year)
-    
+
     login_as(user)
     visit root_path
 
     expect(page).to_not have_content "Your password is expired"
   end
 
-  scenario 'Admin with password expired trying to use same password' do 
+  scenario 'Admin with password expired trying to use same password' do
     user = create(:user, password_changed_at: Time.now - 1.year, password: '123456789')
-    admin = create(:administrator, user: user)  
-    
-    login_as(admin.user)  
+    admin = create(:administrator, user: user)
+
+    login_as(admin.user)
     visit root_path
 
-    expect(page).to have_content "Your password is expired" 
-    
+    expect(page).to have_content "Your password is expired"
+
     fill_in 'user_current_password', with: 'judgmentday'
-    fill_in 'user_password', with: '123456789' 
+    fill_in 'user_password', with: '123456789'
     fill_in 'user_password_confirmation', with: '123456789'
-    click_button 'Change your password'  
-    
+    click_button 'Change your password'
+
     expect(page).to have_content "must be different than the current password."
-  end              
+  end
 
 end
diff --git a/spec/support/common_actions.rb b/spec/support/common_actions.rb
index 702683a5f..24c2ab286 100644
--- a/spec/support/common_actions.rb
+++ b/spec/support/common_actions.rb
@@ -192,7 +192,7 @@ module CommonActions
      create(:debate, :with_confidence_score, cached_votes_up: 80)]
   end
 
-  def create_successfull_proposals
+  def create_successful_proposals
     [create(:proposal, title: "Winter is coming", question: "Do you speak it?", cached_votes_up: Proposal.votes_needed_for_success + 100),
      create(:proposal, title: "Fire and blood", question: "You talking to me?", cached_votes_up: Proposal.votes_needed_for_success + 1)]
   end