comment fix

linux/devices/GpsHyperionLinuxController.cpp

@@ -161,7 +161,7 @@ bool GpsHyperionLinuxController::readGpsDataFromGpsd() {
     return false;
   }
   if (readMode == ReadModes::SOCKET) {
-    // Perform other necessary handling if not data seen for 0.2 seconds.
+    // Poll the GPS.
     if (gps_waiting(&gps, 0)) {
       if (-1 == gps_read(&gps)) {
         readError();