docs: update comment to reference ADR-0013

Author: BryanttV

openedx_authz/settings/common.py

@@ -56,6 +56,6 @@ def plugin_settings(settings):
         settings.CASBIN_LOG_LEVEL = "WARNING"
 
     # Set default ENABLE_AUTOMATIC_AUTHZ_COURSE_AUTHORING_MIGRATION if not already set.
-    # This setting defines whether to enable automatic course migration.
+    # This setting defines whether to enable automatic course migration. See ADR-0013 for more details.
     if not hasattr(settings, "ENABLE_AUTOMATIC_AUTHZ_COURSE_AUTHORING_MIGRATION"):
         settings.ENABLE_AUTOMATIC_AUTHZ_COURSE_AUTHORING_MIGRATION = False