Spell "tesla" correctly in the documentation.
Spell "tesla" correctly in the documentation.

Change-Id: I3f5ac0b1adcdee9ba2c7ddd54302c3aca7a94bfb
Reviewed-by: Eskil Abrahamsen Blomfeldt <e4034124b095075783ce739a2d1c68c0d66fa1fd@digia.com>

kobolabs/qtsensors,mer-qt/qtsensors,kobolabs/qtsensors,mer-qt/qtsensors,mer-qt/qtsensors,kobolabs/qtsensors,richardmg/qtsensors,mer-qt/qtsensors,richardmg/qtsensors,mer-qt/qtsensors,richardmg/qtsensors,richardmg/qtsensors,richardmg/qtsensors,kobolabs/qtsensors