Fix typo in a permission

gracedb/superevents/migrations/0002_fix_permission_typo.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.18 on 2019-01-09 17:43
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('superevents', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='superevent',
+            options={'ordering': ['-id'], 'permissions': (('add_test_superevent', 'Can add test superevent'), ('add_mdc_superevent', 'Can add MDC superevent'), ('change_test_superevent', 'Can change test superevent'), ('change_mdc_superevent', 'Can change MDC superevent'), ('confirm_gw_superevent', 'Can confirm superevent as GW'), ('confirm_gw_test_superevent', 'Can confirm test superevent as GW'), ('confirm_gw_mdc_superevent', 'Can confirm MDC superevent as GW'), ('annotate_superevent', 'Can add log messages and EM observation data to superevent'), ('expose_superevent', 'Can expose a superevent to be viewed by external users'), ('hide_superevent', 'Can hide a superevent from external users'), ('view_superevent', 'Can view superevent'))},
+        ),
+    ]

gracedb/superevents/models.py

@@ -133,7 +133,7 @@ class Superevent(CleanSaveModel, AutoIncrementModel):
                 'GW'),
             ('confirm_gw_mdc_superevent', 'Can confirm MDC superevent as GW'),
             ('annotate_superevent', 'Can add log messages and '
-                'EM observation data to uperevent'),
+                'EM observation data to superevent'),
             ('expose_superevent', 'Can expose a superevent to be viewed by '
                 'external users'),
             ('hide_superevent', 'Can hide a superevent from external users'),