diff --git a/app/assets/javascripts/controllers/admin/events.js.erb b/app/assets/javascripts/controllers/admin/events.js.erb
index ff49f310d..eb842577c 100644
--- a/app/assets/javascripts/controllers/admin/events.js.erb
+++ b/app/assets/javascripts/controllers/admin/events.js.erb
@@ -483,6 +483,7 @@ Application.Controllers.controller('NewEventController', ['$scope', '$state', 'C
       { label: _t('app.admin.events_new.every_year'), value: 'year' }
     ];
 
+    // triggered when the new event form was submitted to the API and have received an answer
     $scope.onSubmited = function(content) {
       if ((content.id == null)) {
         $scope.alerts = [];
@@ -527,17 +528,17 @@ Application.Controllers.controller('EditEventController', ['$scope', '$state', '
     // List of age ranges
     $scope.ageRanges = ageRangesPromise;
 
-    // Default edit mode for periodic event
+    // Default edit-mode for periodic event
     $scope.editMode = 'single';
 
-    // show edit mode modal if event is recurrence
+    // show edit-mode modal if event is recurrent
     $scope.isShowEditModeModal = $scope.event.recurrence_events.length > 0;
 
     $scope.editRecurrent = function (e) {
       if ($scope.isShowEditModeModal && $scope.event.recurrence_events.length > 0) {
         e.preventDefault();
 
-        // open a choice edit mode dialog
+        // open a choice edit-mode dialog
         const modalInstance = $uibModal.open({
           animation: true,
           templateUrl: '<%= asset_path "events/editRecurrent.html" %>',
@@ -547,7 +548,7 @@ Application.Controllers.controller('EditEventController', ['$scope', '$state', '
             editMode: function () { return $scope.editMode; }
           }
         });
-        // submit form event by edit mode
+        // submit form event by edit-mode
         modalInstance.result.then(function(res) {
           $scope.isShowEditModeModal = false;
           $scope.editMode = res.editMode;
@@ -556,6 +557,7 @@ Application.Controllers.controller('EditEventController', ['$scope', '$state', '
       }
     };
 
+    // triggered when the edit event form was submitted to the API and have received an answer
     $scope.onSubmited = function(data) {
       if (data.total === data.updated) {
         if (data.updated > 1) {
@@ -623,7 +625,7 @@ Application.Controllers.controller('EditEventController', ['$scope', '$state', '
 ]);
 
 /**
- * Controller used in the event edit mode modal window
+ * Controller used in the event edit-mode modal window
  */
 Application.Controllers.controller('EditRecurrentEventController', ['$scope', '$uibModalInstance', 'editMode', 'growl', '_t',
   function ($scope, $uibModalInstance, editMode, growl, _t) {
diff --git a/config/locales/app.admin.en.yml b/config/locales/app.admin.en.yml
index 123bbb50e..de0b1b14e 100644
--- a/config/locales/app.admin.en.yml
+++ b/config/locales/app.admin.en.yml
@@ -231,7 +231,7 @@ en:
         # edit an existing event
         edit_the_event: "Edit the event"
         confirmation_required: "Confirmation required"
-        edit_recurring_event: "What do you want to update this periodic event ?"
+        edit_recurring_event: "You're about to update a periodic event. What do you want to update ?"
         edit_this_event: "Only this event"
         edit_this_and_next: "This event and the following"
         edit_all: "All events"
diff --git a/config/locales/app.admin.es.yml b/config/locales/app.admin.es.yml
index cb58b21d2..c161b1bfc 100644
--- a/config/locales/app.admin.es.yml
+++ b/config/locales/app.admin.es.yml
@@ -231,7 +231,7 @@ es:
         # edit an existing event
         edit_the_event: "Editar el evento"
         confirmation_required: "Confirmation required"
-        edit_recurring_event: "What do you want to update this periodic event ?"
+        edit_recurring_event: "You're about to update a periodic event. What do you want to update ?"
         edit_this_event: "Only this event"
         edit_this_and_next: "This event and the following"
         edit_all: "All events"
diff --git a/config/locales/app.admin.fr.yml b/config/locales/app.admin.fr.yml
index 1347c9b23..011521004 100644
--- a/config/locales/app.admin.fr.yml
+++ b/config/locales/app.admin.fr.yml
@@ -231,7 +231,7 @@ fr:
         # modifier un évènement existant
         edit_the_event: "Éditer l'évènement"
         confirmation_required: "Confirmation requise"
-        edit_recurring_event: "Que voulez-vous modifier cet évènement périodique ?"
+        edit_recurring_event: "Vous êtes sur le point de modifier un évènement périodique. Que voulez-vous modifier ?"
         edit_this_event: "Uniquement cet évènement"
         edit_this_and_next: "Cet évènement et tous les suivants"
         edit_all: "Tous les évènements"
diff --git a/config/locales/app.admin.pt.yml b/config/locales/app.admin.pt.yml
index 00ece3559..5a73eeb4e 100755
--- a/config/locales/app.admin.pt.yml
+++ b/config/locales/app.admin.pt.yml
@@ -231,7 +231,7 @@ pt:
         # edit an existing event
         edit_the_event: "Editar evento"
         confirmation_required: "Confirmation required"
-        edit_recurring_event: "What do you want to update this periodic event ?"
+        edit_recurring_event: "You're about to update a periodic event. What do you want to update ?"
         edit_this_event: "Only this event"
         edit_this_and_next: "This event and the following"
         edit_all: "All events"