diff --git a/fet2020/tasks/migrations/0002_slug.py b/fet2020/tasks/migrations/0002_slug.py
new file mode 100644
index 00000000..54a4d22d
--- /dev/null
+++ b/fet2020/tasks/migrations/0002_slug.py
@@ -0,0 +1,92 @@
+# Generated by Django 4.0.3 on 2022-04-20 20:40
+
+import datetime
+from django.db import migrations, models
+from django.db.models import F
+import django.db.models.deletion
+import django.db.models.expressions
+from django.utils.text import slugify
+
+
+def forwards_func(apps, schema_editor):
+    Tasks = apps.get_model("tasks", "Task")
+    Tasks.objects.all().update(shortterm=slugify(F('name'))[1:26])
+    Tasks.objects.all().update(slug=slugify(F('shortterm')))
+
+    TaskLists = apps.get_model("tasks", "TaskList")
+    TaskLists.objects.all().update(slug=slugify(F('shortterm')))
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('tasks', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='task',
+            options={'ordering': ('task_list', django.db.models.expressions.OrderBy(django.db.models.expressions.F('due_date'), descending=True, nulls_first=True)), 'verbose_name': 'Aufgabe', 'verbose_name_plural': 'Aufgaben'},
+        ),
+        migrations.AddField(
+            model_name='task',
+            name='shortterm',
+            field=models.CharField(blank=True, max_length=25, null=True),
+        ),
+        migrations.AddField(
+            model_name='task',
+            name='slug',
+            field=models.SlugField(blank=True, max_length=25, null=True),
+        ),
+        migrations.AddField(
+            model_name='tasklist',
+            name='shortterm',
+            field=models.CharField(blank=True, max_length=128, unique=True),
+        ),
+        migrations.AlterField(
+            model_name='task',
+            name='title',
+            field=models.CharField(max_length=128, verbose_name='Titel'),
+        ),
+        migrations.AlterField(
+            model_name='tasklist',
+            name='name',
+            field=models.CharField(max_length=128),
+        ),
+        migrations.CreateModel(
+            name='Document',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=128, verbose_name='Titel')),
+                ('shortterm', models.CharField(blank=True, max_length=20)),
+                ('slug', models.SlugField(blank=True, max_length=20)),
+                ('etherpad_key', models.CharField(blank=True, max_length=50)),
+                ('date', models.DateField(default=datetime.date.today, verbose_name='Datum')),
+                ('task', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='tasks.task')),
+            ],
+            options={
+                'verbose_name': 'Dokument',
+                'verbose_name_plural': 'Dokumente',
+            },
+        ),
+        migrations.AddConstraint(
+            model_name='document',
+            constraint=models.UniqueConstraint(fields=('title', 'date', 'task'), name='unique_task_document'),
+        ),
+        migrations.RunPython(forwards_func),
+        migrations.AlterField(
+            model_name='task',
+            name='shortterm',
+            field=models.CharField(blank=True, max_length=25),
+        ),
+        migrations.AlterField(
+            model_name='task',
+            name='slug',
+            field=models.SlugField(blank=True, max_length=25),
+        ),
+        migrations.AlterField(
+            model_name='tasklist',
+            name='slug',
+            field=models.SlugField(blank=True, unique=True),
+        ),
+    ]