doc: usage: Update the extension command title
Update the extension command title for consistency with other commands.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/doc/usage/cmd/extension.rst b/doc/usage/cmd/extension.rst
index 2b88398..6366cf5 100644
--- a/doc/usage/cmd/extension.rst
+++ b/doc/usage/cmd/extension.rst
@@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
.. Copyright 2021, Kory Maincent <kory.maincent@bootlin.com>
-U-Boot extension board usage (CONFIG_EXTENSION)
-===============================================
+extension command
+=================
Synopsis
--------