Correct help text for product slug field

hosting/migrations/0049_auto_20181005_0736.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.4 on 2018-10-05 07:36
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('hosting', '0048_auto_20181003_0757'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='genericproduct',
+            name='product_slug',
+            field=models.SlugField(help_text='An mandatory unique slug for the product', unique=True),
+        ),
+    ]