message: remove superfluous dot
diff: @@ -17,7 +17,7 @@ Currently consists of a:
  1. CPAP-style blower with speed control.
  2. Feedback from a differential pressure sensor with one side measuring delivered pressure to patient, other side ambient.
  -## Setup.
  +## Setup
  Tested with an RF-nano arduino board, which has similar parts and pinout to an
  Arduino Nano.
  