diff --git a/lms/djangoapps/mobile_api/course_info/serializers.py b/lms/djangoapps/mobile_api/course_info/serializers.py
index 40b3cc8ae61a..69bed47b03fc 100644
--- a/lms/djangoapps/mobile_api/course_info/serializers.py
+++ b/lms/djangoapps/mobile_api/course_info/serializers.py
@@ -80,7 +80,7 @@ def get_course_modes(self, course_overview):
 
     def get_course_progress(self, obj: CourseOverview) -> Dict[str, int]:
         """
-        Gets course progress calculated by course assignments.
+        Gets course progress calculated by course completed assignments.
         """
         return get_assignments_completions(obj.id, self.context.get('user'))