diff --git a/src/communication/migrations/0003_auto_20210513_1058.py b/src/communication/migrations/0003_auto_20210513_1058.py
new file mode 100644
index 0000000..32937c0
--- /dev/null
+++ b/src/communication/migrations/0003_auto_20210513_1058.py
@@ -0,0 +1,65 @@
+# Generated by Django 3.2.2 on 2021-05-13 10:58
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('communication', '0002_auto_20190413_1028'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='message',
+            old_name='message_body',
+            new_name='body',
+        ),
+        migrations.RenameField(
+            model_name='message',
+            old_name='date_of_reading',
+            new_name='read_at',
+        ),
+        migrations.RenameField(
+            model_name='message',
+            old_name='message_title',
+            new_name='title',
+        ),
+        migrations.RenameField(
+            model_name='message',
+            old_name='date_of_writing',
+            new_name='written_at',
+        ),
+        migrations.RemoveField(
+            model_name='message',
+            name='is_read',
+        ),
+        migrations.RemoveField(
+            model_name='message',
+            name='reader',
+        ),
+        migrations.RemoveField(
+            model_name='message',
+            name='writer',
+        ),
+        migrations.AddField(
+            model_name='message',
+            name='content',
+            field=models.TextField(blank=True, help_text='Seul le MarkDown simple est accepté', null=True, verbose_name='Comments'),
+        ),
+        migrations.AddField(
+            model_name='message',
+            name='recipient',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='received_messages', to='auth.user'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='message',
+            name='sender',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='sent_messages', to='auth.user'),
+            preserve_default=False,
+        ),
+    ]
diff --git a/src/khana/settings.py b/src/khana/settings.py
index 24bb6a7..65da198 100644
--- a/src/khana/settings.py
+++ b/src/khana/settings.py
@@ -12,10 +12,8 @@ https://docs.djangoproject.com/en/1.8/ref/settings/
 
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
 import os
-
 import environ
 
-
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
 env = environ.Env(
@@ -33,11 +31,8 @@ DATABASES = {
     'default': env.db('DATABASE_URL', default='sqlite:///db.sqlite3')
 }
 
-
 # Quick-start development settings - unsuitable for production
 # See https://docs.djangoproject.com/en/1.8/howto/deployment/checklist/
-
-
 ALLOWED_HOSTS = ["*"]
 
 
diff --git a/src/objective/migrations/0016_rename_information_educative_content.py b/src/objective/migrations/0016_rename_information_educative_content.py
new file mode 100644
index 0000000..f6fb3f0
--- /dev/null
+++ b/src/objective/migrations/0016_rename_information_educative_content.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.2 on 2021-05-13 10:58
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('objective', '0015_auto_20190524_1211'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='educative',
+            old_name='information',
+            new_name='content',
+        ),
+    ]
diff --git a/src/people/migrations/0014_auto_20210513_1058.py b/src/people/migrations/0014_auto_20210513_1058.py
new file mode 100644
index 0000000..1b42506
--- /dev/null
+++ b/src/people/migrations/0014_auto_20210513_1058.py
@@ -0,0 +1,23 @@
+# Generated by Django 3.2.2 on 2021-05-13 10:58
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('people', '0013_auto_20190509_0805'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='accident',
+            old_name='information',
+            new_name='content',
+        ),
+        migrations.RenameField(
+            model_name='gymnast',
+            old_name='information',
+            new_name='content',
+        ),
+    ]
diff --git a/src/planning/migrations/0021_auto_20210513_1058.py b/src/planning/migrations/0021_auto_20210513_1058.py
new file mode 100644
index 0000000..ad43a23
--- /dev/null
+++ b/src/planning/migrations/0021_auto_20210513_1058.py
@@ -0,0 +1,43 @@
+# Generated by Django 3.2.2 on 2021-05-13 10:58
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('planning', '0020_event_gymnasts'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='course',
+            old_name='information',
+            new_name='content',
+        ),
+        migrations.RenameField(
+            model_name='event',
+            old_name='information',
+            new_name='content',
+        ),
+        migrations.RenameField(
+            model_name='planningline',
+            old_name='information',
+            new_name='content',
+        ),
+        migrations.RenameField(
+            model_name='round',
+            old_name='information',
+            new_name='content',
+        ),
+        migrations.RenameField(
+            model_name='unavailability',
+            old_name='information',
+            new_name='content',
+        ),
+        migrations.AlterField(
+            model_name='group',
+            name='season',
+            field=models.CharField(default='2021-2022', max_length=9),
+        ),
+    ]