Update Help msgs of management commands

PROD-399

openedx/features/course_duration_limits/management/commands/cdl_setup_models_to_send_test_emails.py

@@ -5,6 +5,7 @@ A managment command that can be used to set up Schedules with various configurat
 from __future__ import absolute_import
 
 import datetime
+from textwrap import dedent
 
 import factory
 import pytz
@@ -31,6 +32,7 @@ class Command(BaseCommand):
     A management command that generates schedule objects for all expected course duration limit
     email types, so that it is easy to generate test emails of all available types.
     """
+    help = dedent(__doc__).strip()
 
     def handle(self, *args, **options):
         courses = modulestore().get_courses()
@@ -52,5 +54,4 @@ class Command(BaseCommand):
         CourseModeFactory.create(course_id=course_overview.id, mode_slug=CourseMode.AUDIT)
         CourseModeFactory.create(course_id=course_overview.id, mode_slug=CourseMode.VERIFIED)
         CourseDurationLimitExpirySchedule.create_batch(20, enrollment__course=course_overview)
-
         ScheduleConfigFactory.create(site=Site.objects.get(name='example.com'))

openedx/features/course_duration_limits/management/commands/send_access_expiry_reminder.py

@@ -3,9 +3,10 @@
 
 Send out reminder emails for any students who will lose access to course content in 7 days.
 """
-
 from __future__ import absolute_import
 
+from textwrap import dedent
+
 from openedx.core.djangoapps.schedules.management.commands import SendEmailBaseCommand
 from openedx.features.course_duration_limits.tasks import CourseDurationLimitExpiryReminder
 
@@ -13,6 +14,13 @@ from ... import resolvers
 
 
 class Command(SendEmailBaseCommand):
+    """
+    Send out reminder emails for any students who will lose access
+    to course content in 7 days.
+
+    ./manage.py lms send_access_expiry_reminder <domain>
+    """
+    help = dedent(__doc__).strip()
     async_send_task = CourseDurationLimitExpiryReminder
     log_prefix = resolvers.EXPIRY_REMINDER_LOG_PREFIX
     offsets = (7,)  # Days until Course Duration Limit expiry