diff --git a/appmes/urls.py b/appmes/urls.py
index cf79abf..6e70339 100644
--- a/appmes/urls.py
+++ b/appmes/urls.py
@@ -30,14 +30,11 @@
     path('', include('authentication.urls')),
     path('', include('benefits.urls')),
     path('', include('offers.urls')),
-    path('<market>/news/', include('news.urls')),
+    path('<int:market>/news/', include('news.urls')),
 
     path('admin/', admin.site.urls),
 ]
 
-
-
-
 if settings.DEBUG:
     from django.conf.urls.static import static
     urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
diff --git a/authentication/urls.py b/authentication/urls.py
index e400cee..e4f415d 100644
--- a/authentication/urls.py
+++ b/authentication/urls.py
@@ -20,10 +20,10 @@
     path('users/<pk>/', views.UpdateUser.as_view(), name='user_detail'),
     path('users/<pk>/delete', views.UserList.as_view(), name='user_delete'),
 
-    path('<market>/users/', views.MarketUserList.as_view(), name='user_list'),
-    path('<market>/users/add/', views.MarketCreateUser.as_view(), name='add_user'),
-    path('<market>/users/<pk>/', views.MarketUpdateUser.as_view(), name='user_detail'),
-    path('<market>/users/<pk>/delete', views.UserList.as_view(), name='user_delete'),
+    path('<int:market>/users/', views.MarketUserList.as_view(), name='user_list'),
+    path('<int:market>/users/add/', views.MarketCreateUser.as_view(), name='add_user'),
+    path('<int:market>/users/<pk>/', views.MarketUpdateUser.as_view(), name='user_detail'),
+    path('<int:market>/users/<pk>/delete', views.UserList.as_view(), name='user_delete'),
 
     path('register/<token>/', views.PreRegister.as_view(), name='preregister'),
     path('register/<token>/resend_email/', views.ResendPreregisterEmailAction.as_view(), name='preregister_send_email'),
diff --git a/benefits/urls.py b/benefits/urls.py
index 341be4c..f36dea1 100644
--- a/benefits/urls.py
+++ b/benefits/urls.py
@@ -5,12 +5,12 @@
 app_name = 'benefits'
 urlpatterns = [
 
-    path('<market>/benefits/', views.BenefitList.as_view(), name='list'),
-    path('<market>/benefits/add/', views.BenefitCreate.as_view(), name='add'),
-    path('<market>/benefits/<pk>/', views.BenefitDetail.as_view(), name='detail'),
-    path('<market>/benefits/<pk>/edit/', views.BenefitUpdate.as_view(), name='edit'),
-    path('<market>/benefits/<pk>/delete/', views.BenefitDelete.as_view(), name='delete'),
-    path('<market>/providers/<pk>/add_benefit/', views.BenefitCreate.as_view(), name='add_provider_benefit'),
+    path('<int:market>/benefits/', views.BenefitList.as_view(), name='list'),
+    path('<int:market>/benefits/add/', views.BenefitCreate.as_view(), name='add'),
+    path('<int:market>/benefits/<pk>/', views.BenefitDetail.as_view(), name='detail'),
+    path('<int:market>/benefits/<pk>/edit/', views.BenefitUpdate.as_view(), name='edit'),
+    path('<int:market>/benefits/<pk>/delete/', views.BenefitDelete.as_view(), name='delete'),
+    path('<int:market>/providers/<pk>/add_benefit/', views.BenefitCreate.as_view(), name='add_provider_benefit'),
 
     path('benefit/', views.BenefitDetail.as_view(), name='user_benefit'),
 
diff --git a/market/urls.py b/market/urls.py
index b970de6..1790ba3 100644
--- a/market/urls.py
+++ b/market/urls.py
@@ -13,24 +13,24 @@
     path('m/<pk>/', views.EditMarket.as_view(), name='edit_market'),
 
     #### Market management #####
-    path('<market>/dashboard/', views.MarketDashboard.as_view(), name='market_dashboard'),
+    path('<int:market>/dashboard/', views.MarketDashboard.as_view(), name='market_dashboard'),
 
     # Category
-    path('<market>/categories/', views.CategoryList.as_view(), name='category_list'),
-    path('<market>/categories/add/', views.CategoryCreate.as_view(), name='add_category'),
-    path('<market>/categories/<pk>/', views.CategoryDetail.as_view(), name='category_detail'),
+    path('<int:market>/categories/', views.CategoryList.as_view(), name='category_list'),
+    path('<int:market>/categories/add/', views.CategoryCreate.as_view(), name='add_category'),
+    path('<int:market>/categories/<pk>/', views.CategoryDetail.as_view(), name='category_detail'),
 
     # Providers
-    path('<market>/providers/', views.ProviderList.as_view(), name='provider_list'),
-    path('<market>/providers/add/', views.CreateProvider.as_view(), name='add_provider'),
-    path('<market>/providers/<pk>/', views.DetailProvider.as_view(), name='provider_detail'),
-    path('<market>/providers/<pk>/edit/', views.UpdateProvider.as_view(), name='edit_provider'),
+    path('<int:market>/providers/', views.ProviderList.as_view(), name='provider_list'),
+    path('<int:market>/providers/add/', views.CreateProvider.as_view(), name='add_provider'),
+    path('<int:market>/providers/<pk>/', views.DetailProvider.as_view(), name='provider_detail'),
+    path('<int:market>/providers/<pk>/edit/', views.UpdateProvider.as_view(), name='edit_provider'),
 
     # Consumers
-    path('<market>/consumers/', views.ConsumerList.as_view(), name='consumer_list'),
-    path('<market>/consumers/add/', views.CreateConsumer.as_view(), name='add_consumer'),
-    path('<market>/consumers/<pk>/', views.ConsumerDetail.as_view(), name='detail_consumer'),
-    path('<market>/consumers/<pk>/edit/', views.ConsumerEdit.as_view(), name='edit_consumer'),
+    path('<int:market>/consumers/', views.ConsumerList.as_view(), name='consumer_list'),
+    path('<int:market>/consumers/add/', views.CreateConsumer.as_view(), name='add_consumer'),
+    path('<int:market>/consumers/<pk>/', views.ConsumerDetail.as_view(), name='detail_consumer'),
+    path('<int:market>/consumers/<pk>/edit/', views.ConsumerEdit.as_view(), name='edit_consumer'),
 
     # Single registration account views
     path('dashboard/', views.UserDashboard.as_view(), name='user_dashboard'),
diff --git a/offers/urls.py b/offers/urls.py
index f80a2eb..10df1e0 100644
--- a/offers/urls.py
+++ b/offers/urls.py
@@ -6,9 +6,9 @@
 app_name = 'offers'
 urlpatterns = [
     path('offers/', views.UserOffers.as_view(), name='user_list'),
-    path('<market>/offers/', views.OffersList.as_view(), name='list'),
-    path('<market>/providers/<pk>/offers/', views.ProviderOffers.as_view(), name='entity_offers'),
-    path('<market>/providers/<pk>/add_offer/', views.CreateOffer.as_view(), name='add'),
-    path('<market>/offers/<pk>/', views.OfferDetail.as_view(), name='detail'),
-    path('<market>/offers/<pk>/edit/', views.OfferEdit.as_view(), name='edit'),
+    path('<int:market>/offers/', views.OffersList.as_view(), name='list'),
+    path('<int:market>/providers/<pk>/offers/', views.ProviderOffers.as_view(), name='entity_offers'),
+    path('<int:market>/providers/<pk>/add_offer/', views.CreateOffer.as_view(), name='add'),
+    path('<int:market>/offers/<pk>/', views.OfferDetail.as_view(), name='detail'),
+    path('<int:market>/offers/<pk>/edit/', views.OfferEdit.as_view(), name='edit'),
 ]
diff --git a/offers/views.py b/offers/views.py
index ce9708a..e0ca7f5 100644
--- a/offers/views.py
+++ b/offers/views.py
@@ -70,7 +70,7 @@ def form_valid(self, form):
         return HttpResponseRedirect(self.get_success_url())
 
     def get_success_url(self):
-        messages.add_message(self.request, messages.ERROR, 'Oferta añadida con éxito')
+        messages.add_message(self.request, messages.SUCCESS, 'Oferta añadida con éxito')
         return self.reverse('offers:entity_offers', kwargs={'pk': self.kwargs['pk'] })