diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst
index 5707e2e0e4a4..5ebb572d0999 100644
--- a/Documentation/mm/damon/design.rst
+++ b/Documentation/mm/damon/design.rst
@@ -587,7 +587,8 @@ Regions Walking
 
 DAMOS feature allowing users access each region that a DAMOS action has just
 applied.  Using this feature, DAMON :ref:`API <damon_design_api>` allows users
-access full properties of the regions including the access monitoring results.
+access full properties of the regions including the access monitoring results
+and amount of the region's internal memory that passed the DAMOS filters.
 :ref:`DAMON sysfs interface <sysfs_interface>` also allows users read the data
 via special :ref:`files <sysfs_schemes_tried_regions>`.