diff --git a/angular_app/js/controllers.js b/angular_app/js/controllers.js
index 8de8945..0a5067b 100644
--- a/angular_app/js/controllers.js
+++ b/angular_app/js/controllers.js
@@ -184,7 +184,7 @@ eventManControllers.controller('EventDetailsCtrl', ['$scope', '$state', 'Event',
                 if (this_event.persons) {
                     delete this_event.persons;
                 }
-                if (this_event.id === undefined) {
+                if (this_event._id === undefined) {
                     $scope.event = Event.save(this_event);
                 } else {
                     $scope.event = Event.update(this_event);
@@ -418,7 +418,7 @@ eventManControllers.controller('PersonDetailsCtrl', ['$scope', '$stateParams', '
 
         // store a new Person or update an existing one
         $scope.save = function() {
-            if ($scope.person.id === undefined) {
+            if ($scope.person._id === undefined) {
                 $scope.person = new Person($scope.person);
                 $scope.person.$save(function(person) {
                     if ($scope.addToEvent) {
diff --git a/docs/DEVELOPMENT.md b/docs/DEVELOPMENT.md
index 6608073..f26e8bc 100644
--- a/docs/DEVELOPMENT.md
+++ b/docs/DEVELOPMENT.md
@@ -35,12 +35,12 @@ The paths used to communicate with the Tornado web server:
 - /events GET  - return the list of events
 - /events POST - store a new event
 - /events/:event_id GET    - return information about an existing event
-- /events/:event_id POST   - update an existing event
+- /events/:event_id PUT   - update an existing event
 - /events/:event_id DELETE - delete an existing event
 - /persons GET  - return the list of persons
 - /persons POST - store a new person
 - /persons/:person_id GET    - return information about an existing person
-- /persons/:person_id POST   - update an existing person
+- /persons/:person_id PUT   - update an existing person
 - /persons/:person_id DELETE - delete an existing person
 - /events/:event_id/persons GET - return the complete list of persons registered for the event
 - /events/:event_id/persons/:person_id GET - return information about a person related to a given event (e.g.: name, surname, ticket ID, ...)