message: spelling: notably
diff: @@ -58,7 +58,7 @@ while (true) {
  Now all that is required is to determine when this interval has elapsed. This can be done spinning on a hardware clock
  signal, calculating elapsed time by reading of clock registers, using timing library functions, the `sleep()` call, or
  by an timer driven interrupt service routine (ISR). **Note:** ISRs are complex items and should be studied in detail
  -before going this route. Notibly, the ISR should not execute the rate group directly, but rather should set a flag or
  +before going this route. Notably, the ISR should not execute the rate group directly, but rather should set a flag or
  queu a start message and allow the `while (true) {}` spin in the main loop to detect this signal and start the rate
  groups.
  