Hi all, After merging the net-next tree, today's linux-next build (htmldocs) produced these warnings: Documentation/networking/device_drivers/wwan/iosm.rst:43: WARNING: Title underline too short. /dev/wwan0mbim0 character device ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Documentation/networking/device_drivers/wwan/iosm.rst:55: WARNING: Title underline too short. /dev/wwan0mbim0 write() ~~~~~~~~~~~~~~~~~~~~~ Documentation/networking/device_drivers/wwan/iosm.rst:55: WARNING: Title underline too short. /dev/wwan0mbim0 write() ~~~~~~~~~~~~~~~~~~~~~ Documentation/networking/device_drivers/wwan/iosm.rst:60: WARNING: Title underline too short. /dev/wwan0mbim0 read() ~~~~~~~~~~~~~~~~~~~~ Documentation/networking/device_drivers/wwan/iosm.rst:60: WARNING: Title underline too short. /dev/wwan0mbim0 read() ~~~~~~~~~~~~~~~~~~~~ Documentation/networking/device_drivers/wwan/iosm.rst:68: WARNING: Title underline too short. wwan0-X network device ~~~~~~~~~~~~~~~~~~~~ Caused by commit f7af616c632e ("net: iosm: infrastructure") -- Cheers, Stephen Rothwell