diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index d7624e500610..ba11a4d7321b 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -1561,6 +1561,12 @@ The following nested keys are defined.
 	  workingset_nodereclaim
 		Number of times a shadow node has been reclaimed
 
+	  pswpin (npn)
+		Number of pages swapped into memory
+
+	  pswpout (npn)
+		Number of pages swapped out of memory
+
 	  pgscan (npn)
 		Amount of scanned pages (in an inactive LRU list)