diff --git a/config/routes.rb b/config/routes.rb
index a54e0e2e1..df7e0fe66 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -43,8 +43,8 @@ Rails.application.routes.draw do
   end
 
   namespace :admin do
-    get '/dossier/:dossier_id' => 'dossier#show'
-    get '/dossier' => 'dossier#index'
+    get '/dossiers/:dossier_id' => 'dossier#show'
+    get '/dossiers' => 'dossier#index'
   end
 
   # The priority is based upon order of creation: first created -> highest priority.
diff --git a/spec/controllers/admin/dossier_controller_spec.rb b/spec/controllers/admin/dossier_controller_spec.rb
index 93a975ae0..eca906a43 100644
--- a/spec/controllers/admin/dossier_controller_spec.rb
+++ b/spec/controllers/admin/dossier_controller_spec.rb
@@ -38,7 +38,7 @@ RSpec.describe Admin::DossierController, type: :controller do
 
     it 'le numéro de dossier est correct' do
       get :index, :dossier_id => dossier_id
-      expect(response).to redirect_to("/admin/dossier/#{dossier_id}")
+      expect(response).to redirect_to("/admin/dossiers/#{dossier_id}")
     end
 
     it 'il n\' y a pas de numéro de dossier' do
diff --git a/spec/controllers/commentaires_controller_spec.rb b/spec/controllers/commentaires_controller_spec.rb
index 1c24f9ec6..e7c1d8409 100644
--- a/spec/controllers/commentaires_controller_spec.rb
+++ b/spec/controllers/commentaires_controller_spec.rb
@@ -15,9 +15,9 @@ describe CommentairesController, type: :controller do
       end
 
       it 'depuis la page admin' do
-        request.env["HTTP_REFERER"] = "/admin/dossier"
+        request.env["HTTP_REFERER"] = "/admin/dossiers"
         post :create, :dossier_id => dossier_id, :email_commentaire => email_commentaire, :texte_commentaire => texte_commentaire
-        expect(response).to redirect_to("/admin/dossier/#{dossier_id}")
+        expect(response).to redirect_to("/admin/dossiers/#{dossier_id}")
       end
     end
   end
diff --git a/spec/features/admin/dossier_page/_commentaires_flux_spec.rb b/spec/features/admin/dossier_page/_commentaires_flux_spec.rb
index c47d754a9..4a5c47663 100644
--- a/spec/features/admin/dossier_page/_commentaires_flux_spec.rb
+++ b/spec/features/admin/dossier_page/_commentaires_flux_spec.rb
@@ -12,7 +12,7 @@ feature '_Commentaires_Flux Admin/Dossier#Show Page' do
   before do
     dossier.build_default_pieces_jointes
     login_admin
-    visit "/admin/dossier/#{dossier_id}"
+    visit "/admin/dossiers/#{dossier_id}"
   end
 
   context 'Affichage du flux de commentaire' do
diff --git a/spec/features/admin/dossier_page/show_page_spec.rb b/spec/features/admin/dossier_page/show_page_spec.rb
index 6968a4706..e6d74e30e 100644
--- a/spec/features/admin/dossier_page/show_page_spec.rb
+++ b/spec/features/admin/dossier_page/show_page_spec.rb
@@ -7,7 +7,7 @@ feature 'Admin/Dossier#Show Page' do
   before do
     dossier.build_default_pieces_jointes
     login_admin
-    visit "/admin/dossier/#{dossier_id}"
+    visit "/admin/dossiers/#{dossier_id}"
   end
 
   context 'sur la page admin du dossier' do
@@ -68,7 +68,7 @@ feature 'Admin/Dossier#Show Page' do
           piece_jointe = dossier.pieces_jointes.where(type_piece_jointe_id: 388).first
           piece_jointe.content = content
           piece_jointe.save!
-          visit "/admin/dossier/#{dossier_id}"
+          visit "/admin/dossiers/#{dossier_id}"
         end
 
         scenario 'la ligne de la pièce jointe est présente' do
diff --git a/spec/features/start_page/index_page_spec.rb b/spec/features/start_page/index_page_spec.rb
index d04a4a365..7760c2133 100644
--- a/spec/features/start_page/index_page_spec.rb
+++ b/spec/features/start_page/index_page_spec.rb
@@ -77,8 +77,8 @@ feature 'Start#Index Page' do
     end
 
     context 'dans la section admninistration' do
-      scenario 'le formulaire envoie vers /admin/dossier en #GET' do
-        expect(page).to have_selector("form[action='/admin/dossier'][method=get]")
+      scenario 'le formulaire envoie vers /admin/dossiers en #GET' do
+        expect(page).to have_selector("form[action='/admin/dossiers'][method=get]")
       end
 
       scenario ' le champs "Identifiant" n\'est pas présent' do