message: minor tweaks to v3 code
diff: @@ -42,7 +42,7 @@ public:
  * If the gate driver was in ready state and the new configuration is
  * different from the old one then the gate driver will exit ready state.
  *
  - * In any case cnahges to the configuration only take effect with a call to
  + * In any case changes to the configuration only take effect with a call to
  * init().
  */
  bool config(float requested_gain, float* actual_gain);
  