diff --git a/Documentation/networking/index.rst b/Documentation/networking/index.rst
index f53d89b5679a572581d5649cd77bfb879c551d5f..89b02fbfc2ebda6026d92370a2153a9f268cb6a4 100644
--- a/Documentation/networking/index.rst
+++ b/Documentation/networking/index.rst
@@ -107,6 +107,7 @@ Contents:
    strparser
    switchdev
    tc-actions-env-rules
+   tcp-thin
 
 .. only::  subproject and html
 
diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index 38f811d4b2f09fa81cd2ec22cefe95f9353858c9..3266aee9e052298d6440ba119f2c4cf2b7081ae2 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -886,7 +886,7 @@ tcp_thin_linear_timeouts - BOOLEAN
 	initiated. This improves retransmission latency for
 	non-aggressive thin streams, often found to be time-dependent.
 	For more information on thin streams, see
-	Documentation/networking/tcp-thin.txt
+	Documentation/networking/tcp-thin.rst
 
 	Default: 0
 
diff --git a/Documentation/networking/tcp-thin.txt b/Documentation/networking/tcp-thin.rst
similarity index 97%
rename from Documentation/networking/tcp-thin.txt
rename to Documentation/networking/tcp-thin.rst
index 151e229980f11fa8d54dc787ebeae48bd206d01d..b06765c96ea13598d70e5acdd362bad80f437a2a 100644
--- a/Documentation/networking/tcp-thin.txt
+++ b/Documentation/networking/tcp-thin.rst
@@ -1,5 +1,9 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+====================
 Thin-streams and TCP
 ====================
+
 A wide range of Internet-based services that use reliable transport
 protocols display what we call thin-stream properties. This means
 that the application sends data with such a low rate that the
@@ -42,6 +46,7 @@ References
 ==========
 More information on the modifications, as well as a wide range of
 experimental data can be found here:
+
 "Improving latency for interactive, thin-stream applications over
 reliable transport"
 http://simula.no/research/nd/publications/Simula.nd.477/simula_pdf_file