diff --git a/stages/migrations/0015_auto_20170717_1515.py b/stages/migrations/0015_auto_20170717_1515.py
new file mode 100644
index 0000000..58c2f84
--- /dev/null
+++ b/stages/migrations/0015_auto_20170717_1515.py
@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.2 on 2017-07-17 15:15
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stages', '0014_teacher_birthdate_nullable'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='course',
+            old_name='klass',
+            new_name='public',
+        ),
+        migrations.RemoveField(
+            model_name='course',
+            name='section',
+        ),
+        migrations.AlterField(
+            model_name='course',
+            name='imputation',
+            field=models.CharField(blank=True, default='', max_length=10, verbose_name='Imputation'),
+        ),
+    ]