diff --git a/Documentation/networking/index.rst b/Documentation/networking/index.rst
index ec83bd95e4e99c2ffc49a9b201bb93cc55c56693..1630801cec19ee33f92abd07dc6c99abeb4e43d0 100644
--- a/Documentation/networking/index.rst
+++ b/Documentation/networking/index.rst
@@ -120,6 +120,7 @@ Contents:
    xfrm_device
    xfrm_proc
    xfrm_sync
+   xfrm_sysctl
 
 .. only::  subproject and html
 
diff --git a/Documentation/networking/xfrm_sysctl.txt b/Documentation/networking/xfrm_sysctl.rst
similarity index 52%
rename from Documentation/networking/xfrm_sysctl.txt
rename to Documentation/networking/xfrm_sysctl.rst
index 5bbd16792fe11032b6fe661cfe9cae38ff1bc35c..47b9bbdd017977e97555c0d18a8dea71978bf3f0 100644
--- a/Documentation/networking/xfrm_sysctl.txt
+++ b/Documentation/networking/xfrm_sysctl.rst
@@ -1,4 +1,11 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+============
+XFRM Syscall
+============
+
 /proc/sys/net/core/xfrm_* Variables:
+====================================
 
 xfrm_acq_expires - INTEGER
 	default 30 - hard timeout in seconds for acquire requests