[PATCH] Documentation: Fix heading level of TFTP windowsize section

[Jules Maselbas]

The section title about TFTP windowsize support was at the same
heading level as the page main title.

Signed-off-by: Jules Maselbas <jmaselbas at zdiv.net>
---
 Documentation/filesystems/tftp.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/filesystems/tftp.rst b/Documentation/filesystems/tftp.rst
index e88ad3dd4c..5a2910adbf 100644
--- a/Documentation/filesystems/tftp.rst
+++ b/Documentation/filesystems/tftp.rst
@@ -22,7 +22,7 @@ In addition to the TFTP filesystem implementation, barebox does also have a
 :ref:`tftp command <command_tftp>`.
 
 RFC 7440 "windowsize" support
-=============================
+-----------------------------
 
 barebox supports the tftp windowsize option for downloading files.  It
 is not implemented for uploads.
-- 
2.43.0