diff --git a/Documentation/userspace-api/landlock.rst b/Documentation/userspace-api/landlock.rst
index 5a63d4476c1c..baee7817420e 100644
--- a/Documentation/userspace-api/landlock.rst
+++ b/Documentation/userspace-api/landlock.rst
@@ -8,7 +8,7 @@ Landlock: unprivileged access control
 =====================================
 
 :Author: Mickaël Salaün
-:Date: June 2026
+:Date: August 2026
 
 The goal of Landlock is to enable restriction of ambient rights (e.g. global
 filesystem or network access) for a set of processes.  Because Landlock
@@ -556,6 +556,9 @@ in the running kernel.
 .. kernel-doc:: security/landlock/errata/abi-1.h
     :doc: erratum_3
 
+.. kernel-doc:: security/landlock/errata/abi-1.h
+    :doc: erratum_4
+
 How to check for errata
 ~~~~~~~~~~~~~~~~~~~~~~~