Schedule readme: change heading hierarchy

openedx/core/djangoapps/schedules/README.md

@@ -195,11 +195,13 @@ CONTACT_MAILING_ADDRESS = '<insert_physical_address_here>'
 ```
 
 
-## Configuring Schedule Creation
+## Configuration Flags
+
+### Configuring Schedule Creation
 
 Make sure a Site has been created at `<lms_url>/admin/sites/site`.
 
-### ScheduleConfig
+#### ScheduleConfig
 
 In the Django admin panel at `<lms_url>/admin/schedules/scheduleconfig/` create
 a ScheduleConfig and link it to the Site. Make sure to enable all of the
@@ -210,14 +212,14 @@ settings:
 * `hold_back_ratio`: ratio of all new Course Enrollments that should NOT have a
   Schedule created.
 
-### Roll-out Waffle Flag
+#### Roll-out Waffle Flag
 
 There is one roll-out related course waffle flag that we plan to delete called
 `schedules.create_schedules_for_course`, which, if the
 `ScheduleConfig.create_schedules` is disabled, will enable schedule creation on
 a per-course basis.
 
-### Self-paced Configuration
+#### Self-paced Configuration
 
 Schedules will only be created for a course if it is self-paced. A course can be
 configured to be self-paced by going to
@@ -227,14 +229,14 @@ Course Pacing value to "Self-Paced". Note that the Course Start Date has to be
 set to sometime in the future in order to change the Course Pacing.
 
 
-## Configuring Upgrade Deadline on Schedule
+### Configuring Upgrade Deadline on Schedule
 
 The upgrade reminder message type depends on there being a date in the
 `upgrade_deadline` field of the Schedule model. Up-sell messaging will also be
 added to the recurring nudge and course updates message types when an upgrade
 deadline date is present.
 
-### DynamicUpgradeDeadlineConfiguration models
+#### DynamicUpgradeDeadlineConfiguration models
 
 In order to enable filling in the `upgrade_deadline` field of new Schedule
 models created, you must create and enable one of the following:
@@ -253,17 +255,16 @@ DynamicUpgradeDeadlineConfiguration.
 The "deadline days" field specifies how many days from the day of the learner's
 enrollment will be their soft upgrade deadline on the Schedule model.
 
-### Verified Course Mode
+#### Verified Course Mode
 
 The `upgrade_deadline` will only be filled for a course if it has a verified
 course mode. To add a verified course mode to a course, go to
 `<lms_url>/admin/course_modes/coursemode/` and add a course mode linked with
 the course with the "Mode" equal to "verified".
 
+### Configuring Email Sending
 
-## Configuring Email Sending
-
-### ScheduleConfig
+#### ScheduleConfig
 
 The ScheduleConfig model at `<lms_url>/admin/schedules/scheduleconfig/` also has
 fields which configure enqueueing and delivering emails per message type:
@@ -271,14 +272,14 @@ fields which configure enqueueing and delivering emails per message type:
 * `enqueue_*`: allows sending email tasks of this message type to celery.
 * `deliver_*`: allows delivering emails through ACE for this message type.
 
-### Roll-out Waffle Flag
+#### Roll-out Waffle Flag
 
 Another roll-out related course waffle flag that we plan to delete called
 `schedules.send_updates_for_course` will enable sending specifically the course
 updates email per-course.
 
 
-## Configuring Highlights UI in Studio
+### Configuring Highlights UI in Studio
 
 The button and modal on the course outline page that allows course authors to
 enter section highlights can be toggled globally by going to
@@ -288,25 +289,25 @@ enter section highlights can be toggled globally by going to
 This is a roll-out related waffle switch that we will eventually delete.
 
 
-## Configuring a Learner's Schedule
+### Configuring a Learner's Schedule
 
 Emails will only be sent to learners who have Schedule `start_date`s or
 `upgrade_deadline`s and ScheduleExperience that match the criteria for the
 message type.
 
-### Recurring Nudge
+#### Recurring Nudge
 
 * Learners must have the ScheduleExperience type of "Recurring Nudge and Upgrade
 Reminder".
 * Their Schedule `start_date` must be 3 or 10 days before the current date.
 
-### Upgrade Reminder
+#### Upgrade Reminder
 
 * Learners must have the ScheduleExperience type of "Recurring Nudge and Upgrade
 Reminder".
 * Their Schedule `upgrade_deadline` must be 2 days after the current date.
 
-### Course Update
+#### Course Update
 
 * Learners must have the ScheduleExperience type of "Course Updates".
 * Their Schedule `start_date` must be 7, 14, or any increment of 7 days up to 77