diff --git a/passerelle/base/migrations/0011_auto_20190205_1126.py b/passerelle/base/migrations/0011_auto_20190205_1126.py
index 1a4b006c..7e823e9e 100644
--- a/passerelle/base/migrations/0011_auto_20190205_1126.py
+++ b/passerelle/base/migrations/0011_auto_20190205_1126.py
@@ -19,7 +19,9 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('resource_pk', models.PositiveIntegerField()),
-                ('run_check', models.BooleanField(default=True, verbose_name='Run regular availability checks')),
+                ('run_check', models.BooleanField(default=True,
+                    verbose_name='Run regular availability checks',
+                    help_text='Run an availability check every 5 minutes')),
                 ('resource_type', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='contenttypes.ContentType')),
             ],
         ),