diff --git a/files/migrations/0001_initial.py b/files/migrations/0001_initial.py
new file mode 100644
index 0000000..d0ae546
--- /dev/null
+++ b/files/migrations/0001_initial.py
@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10 on 2016-10-13 16:12
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+import files.models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('core', '0002_mymetype'),
+        ('courses', '0004_auto_20161011_1951'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='TopicFile',
+            fields=[
+                ('material_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='courses.Material')),
+                ('description', models.TextField(blank=True, verbose_name='Description')),
+                ('file_url', models.FileField(upload_to=files.models.file_path, verbose_name='File')),
+                ('file_type', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='topic_files', to='core.MymeType', verbose_name='Type file')),
+            ],
+            options={
+                'verbose_name': 'File',
+                'verbose_name_plural': 'Files',
+            },
+            bases=('courses.material',),
+        ),
+    ]
diff --git a/files/models.py b/files/models.py
index 428f877..aad1439 100644
--- a/files/models.py
+++ b/files/models.py
@@ -1,7 +1,7 @@
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
-
-from courses.models import Activity
+from core.models import MymeType
+from courses.models import Material
 
 """
 	Function to return the path where the file should be saved
@@ -14,8 +14,11 @@ def file_path(instance, filename):
 	It's one kind of activity available for a Topic.
 	It's like a support material for the students.
 """
-class TopicFiles(Activity):
+class TopicFile(Material):
+	description = models.TextField(_('Description'), blank=True)
 	file_url = models.FileField(verbose_name = _("File"), upload_to = file_path)
+	file_type = models.ForeignKey(MymeType, verbose_name=_('Type file'), related_name='topic_files')
+
 
 	class Meta:
 		verbose_name = _("File")
--
libgit2 0.21.2