diff -r 6f2999873343 -r 76a4e4b11762 src/notes/api/views/core.py
--- a/src/notes/api/views/core.py	Fri Jun 23 15:57:35 2017 +0200
+++ b/src/notes/api/views/core.py	Fri Jun 23 17:58:21 2017 +0200
@@ -4,7 +4,7 @@
 from rest_framework import viewsets
 
 from ..permissions import NotePermission, SessionPermission
-from ..serializers.core import (DetailNoteSerializer, DetailSessionSerializer, CreateNoteSerializer,
+from ..serializers.core import (DetailNoteSerializer, UpdateNoteSerializer, DetailSessionSerializer, CreateNoteSerializer,
                                 ListNoteSerializer, ListSessionSerializer, CreateSessionSerializer)
 
 logger = logging.getLogger(__name__)
@@ -38,7 +38,7 @@
         'list': ListNoteSerializer,
         'retrieve': DetailNoteSerializer,
         'create': CreateNoteSerializer,
-        'update': DetailNoteSerializer,
+        'update': UpdateNoteSerializer,
     }
     lookup_field = 'ext_id'