[PATCH] hwmon: pmbus: correct title underline length

[Lukas Bulwahn]

Commit b722d7b9e4da ("hwmon: (pmbus) Driver for Delta power supplies
Q54SJ108A2") provides new documentation for DELTA Q54SJ108A2NC* drivers,
but the title underline was too short.

make htmldocs warns:

  Documentation/hwmon/q54sj108a2.rst:4: WARNING: Title underline too short.

Adjust the title underline to the correct length.

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@xxxxxxxxx>
---
applies on next-20201207 and the hwmon -next tree

Guenter, Jean, please pick this minor doc fix on your -next tree.

 Documentation/hwmon/q54sj108a2.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/hwmon/q54sj108a2.rst b/Documentation/hwmon/q54sj108a2.rst
index fabce671985a..035312d25c34 100644
--- a/Documentation/hwmon/q54sj108a2.rst
+++ b/Documentation/hwmon/q54sj108a2.rst
@@ -1,7 +1,7 @@
 .. SPDX-License-Identifier: GPL-2.0-or-later
 
 Kernel driver q54sj108a2
-=====================
+========================
 
 Supported chips:
 
-- 
2.17.1