[smartthings] Fixed some minor readme issue (#9341)
[smartthings] Fixed some minor readme issue (#9341)

* Fixed some minor readme issues

Signed-off-by: Jerome Luckenbach <64b2b6d12bfe4baae7dad3d018f8cbf6b0e7a044@luckenba.ch>

MikeJMajor/openhab2-addons-dlinksmarthome,paulianttila/openhab2,paulianttila/openhab2,paulianttila/openhab2,MikeJMajor/openhab2-addons-dlinksmarthome,MikeJMajor/openhab2-addons-dlinksmarthome