Minor changes
Minor changes

volodymyr-babak/thingsboard.github.io,volodymyr-babak/thingsboard.github.io,volodymyr-babak/thingsboard.github.io,volodymyr-babak/thingsboard.github.io,thingsboard/thingsboard.github.io,thingsboard/thingsboard.github.io,thingsboard/thingsboard.github.io,thingsboard/thingsboard.github.io