diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst
index d1dd9050ebf4..63cbb7b536da 100644
--- a/Documentation/mm/damon/design.rst
+++ b/Documentation/mm/damon/design.rst
@@ -713,6 +713,8 @@ mechanism tries to make ``current_value`` of ``target_metric`` be same to
   bp (1/10,000).
 - ``node_eligible_mem_bp``: Scheme target access pattern-eligible memory ratio
   of a node in bp (1/10,000).
+- ``hugepage_mem_bp``: Total huge page to total used memory ratio in bp
+  (1/10,000).
 
 ``nid`` is optionally required for ``node_mem_used_bp``, ``node_mem_free_bp``,
 ``node_memcg_used_bp``, ``node_memcg_free_bp`` and ``node_eligible_mem_bp`` to