diff --git a/Documentation/admin-guide/mm/damon/reclaim.rst b/Documentation/admin-guide/mm/damon/reclaim.rst
index 01a34c215b66..57ab8b187650 100644
--- a/Documentation/admin-guide/mm/damon/reclaim.rst
+++ b/Documentation/admin-guide/mm/damon/reclaim.rst
@@ -229,7 +229,8 @@ Start of target memory region in physical address.
 
 The start physical address of memory region that DAMON_RECLAIM will do work
 against.  That is, DAMON_RECLAIM will find cold memory regions in this region
-and reclaims.  By default, biggest System RAM is used as the region.
+and reclaims.  By default, the system's entire physical memory is used as the
+region.
 
 monitor_region_end
 ------------------
@@ -238,7 +239,8 @@ End of target memory region in physical address.
 
 The end physical address of memory region that DAMON_RECLAIM will do work
 against.  That is, DAMON_RECLAIM will find cold memory regions in this region
-and reclaims.  By default, biggest System RAM is used as the region.
+and reclaims.  By default, the system's entire physical memory is used as the
+region.
 
 addr_unit
 ---------