docs: update toggle docstring

xmodule/course_block.py

@@ -61,12 +61,15 @@
 # .. toggle_name: FEATURES['CREATE_COURSE_WITH_DEFAULT_ENROLLMENT_START_DATE']
 # .. toggle_implementation: SettingDictToggle
 # .. toggle_default: False
-# .. toggle_description: The default behavior, when this is disabled, is that newly created course has no
+# .. toggle_description: The default behavior, when this is disabled, is that a newly created course has no
 #   enrollment_start date set. When the feature is enabled - the newly created courses will have the
-#   enrollment_start_date set to DEFAULT_START_DATE.
+#   enrollment_start_date set to DEFAULT_START_DATE. This is intended to be a permanent option.
+#     This toggle affects the course listing pages (platform's index page, /courses page) when course search is
+#   performed using the `lms.djangoapp.branding.get_visible_courses` method and the
+#   COURSE_CATALOG_VISIBILITY_PERMISSION setting is set to 'see_exists'. Switching the toggle to True will prevent
+#   the newly created (empty) course from appearing in the course listing.
 # .. toggle_use_cases: open_edx
 # .. toggle_creation_date: 2023-06-22
-# .. toggle_target_removal_date: This is intended to be a permanent option.
 CREATE_COURSE_WITH_DEFAULT_ENROLLMENT_START_DATE = SettingDictToggle(
     "FEATURES", "CREATE_COURSE_WITH_DEFAULT_ENROLLMENT_START_DATE", default=False, module_name=__name__
 )