diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 7670f74..93183ef 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -93,24 +93,27 @@ def allow_login_as_specific_user?
   helper_method :allow_login_as_specific_user?
 
   def page_title(value=nil)
+    model_name = controller_name.singularize.underscore
+    model_name_singular_human = t("activerecord.models.#{model_name}.one", :default => controller_name.singularize.humanize).downcase
+
     @page_title = value unless value.nil?
 
     if @page_title.nil?
       @page_title ||=
         case action_name.to_sym
         when :index
-          t("activerecord.models.#{controller_name.downcase}" , :default => controller_name.humanize.titleize)
+          t("activerecord.models.#{model_name}.other" , :default => controller_name.humanize.titleize)
         when :new, :create
-          t("title.model.new",:modelname => t("activerecord.models.#{controller_name.singularize.downcase}" , :default => controller_name.singularize.humanize.downcase))
+          t("title.model.new", :modelname => model_name_singular_human)
         when :edit, :update
-          t("title.model.edit",:modelname => t("activerecord.models.#{controller_name.singularize.downcase}", :default => controller_name.singularize.humanize.downcase))
+          t("title.model.edit",:modelname => model_name_singular_human)
         when :destroy
-          t("title.model.destroy",:modelname => t("activerecord.models.#{controller_name.singularize.downcase}", :default => controller_name.singularize.humanize.downcase))
+          t("title.model.destroy",:modelname => model_name_singular_human)
         else
           begin
             get_resource_ivar.name
           rescue Exception => e
-            t("activerecord.models.#{controller_name.singularize.downcase}")
+            model_name_singular_human.titleize
           end
         end
     else
diff --git a/app/views/site/_custom_slug_field.html.haml b/app/views/site/_custom_slug_field.html.haml
index 8aa6433..06ea99a 100644
--- a/app/views/site/_custom_slug_field.html.haml
+++ b/app/views/site/_custom_slug_field.html.haml
@@ -2,9 +2,9 @@
 -#
 -# ARGUMENTS:
 -# * form: The Rails form instance.
-- hint = "%{example} %{url}/<em><b>%{my}-%{model}</b></em>" % { |
+- hint = "%{example} %{url}/<em><b>%{my}_%{model}</b></em>" % { |
   :example => t('field.example.fragment'),                      |
   :url => "#{SETTINGS.organization.url}/#{controller_path}",    |
   :my => t('field.my.fragment'),                                |
-  :model => t("activerecord.models.#{form.send(:model_name).underscore}").underscore }
+  :model => form.object.class.model_name.human.underscore }
 = form.input :custom_slug, :hint => hint.html_safe
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 44e3118..36ca5d8 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -25,7 +25,28 @@ en:
     url: "Website (URL)"
 
   activerecord:
-    # models: # Defaults are fine for English.
+    models:
+      authentication:
+        one: Authentication
+        other: Authentications
+      company:
+        one: Company
+        other: Companies
+      group:
+        one: Group
+        other: Groups
+      person:
+        one: Person
+        other: People
+      project:
+        one: Project
+        other: Projects
+      resource_link:
+        one: Ressource
+        other: Ressources
+      user:
+        one: User
+        other: Users
     attributes:
       # Common attribute names provided by `attributes`.
       person:
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index 7fc3de4..87f553d 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -24,18 +24,27 @@ fr:
 
   activerecord:
     models:
-      group: Groupe
-      groups: Groupes
-      people: Personnes
-      person: Personne
-      company: Entreprise
-      companies: Entreprises
-      project: Projet
-      projects: Projets
-      resource_link: Ressource
-      resources_links: Ressources
-      user: Utilisateur
-      users: Utilisateurs
+      authentication:
+        one: Authentification
+        other: Authentifications
+      company:
+        one: Entreprise
+        other: Entreprises
+      group:
+        one: Groupe
+        other: Groupes
+      person:
+        one: Personne
+        other: Personnes
+      project:
+        one: Projet
+        other: Projets
+      resource_link:
+        one: Ressource
+        other: Ressources
+      user:
+        one: Utilisateur
+        other: Utilisateurs
     attributes:
       # Common attribute names provided by `attributes`.
       person: