diff --git a/lms/djangoapps/course_structure_api/v0/views.py b/lms/djangoapps/course_structure_api/v0/views.py
index b541dd746c..347ba45c24 100644
--- a/lms/djangoapps/course_structure_api/v0/views.py
+++ b/lms/djangoapps/course_structure_api/v0/views.py
@@ -257,7 +257,7 @@ class CourseStructure(CourseViewMixin, RetrieveAPIView):
           * format: The assignment type.
 
           * children: If the block has child blocks, a list of IDs of the child
-            blocks.
+            blocks in the order they appear in the course.
     """
 
     @CourseViewMixin.course_check