diff --git a/biscuit/apps/chronos/tables.py b/biscuit/apps/chronos/tables.py
index 7b5968b8a860a840481b4a7fccd24f68af9c9556..f771e0ef667fbb858009b44fe6e6ddf1a96fecb9 100644
--- a/biscuit/apps/chronos/tables.py
+++ b/biscuit/apps/chronos/tables.py
@@ -7,8 +7,8 @@ class LessonsTable(tables.Table):
         attrs = {'class': 'table table-striped table-bordered table-hover table-responsive-xl'}
 
     period__period = tables.Column(accessor='period.period')
-    lesson__groups = tables.Column(accessor='lesson.group_names')
-    lesson__teachers = tables.Column(accessor='lesson.teacher_names')
+    lesson__groups = tables.Column(accessor='lesson.group_names', verbose_name=_('Groups'))
+    lesson__teachers = tables.Column(accessor='lesson.teacher_names', verbose_name=_('Teachers'))
     lesson__subject = tables.Column(accessor='lesson.subject')
     room = tables.Column(accessor='room')