diff --git a/include/gnss/processor/processor_gnss_fix.h b/include/gnss/processor/processor_gnss_fix.h
index d9fa9f1db3f785e1b346df9fb485a99733ca84d7..915a8c0e8c5128ea11cb629c4755be0bec942afc 100644
--- a/include/gnss/processor/processor_gnss_fix.h
+++ b/include/gnss/processor/processor_gnss_fix.h
@@ -46,7 +46,7 @@ struct ParamsProcessorGnssFix : public ParamsProcessorBase
         // COMPUTE POS PARAMS (only if compute fix from yaw)
         if (fix_from_raw)
         {
-            // GNSS OPTIONS (see rtklib.h)
+            // GNSS OPTIONS (see gnss_utils.h)
             compute_pos_opt.sateph     =        _server.getParam<int>   (prefix + _unique_name + "/gnss/sateph");  // satellite ephemeris/clock (0:broadcast ephemeris,1:precise ephemeris,2:broadcast + SBAS,3:ephemeris option: broadcast + SSR_APC,4:broadcast + SSR_COM,5: QZSS LEX ephemeris
             compute_pos_opt.ionoopt    =        _server.getParam<int>   (prefix + _unique_name + "/gnss/ionoopt"); // ionosphere option (0:correction off,1:broadcast mode,2:SBAS model,3:L1/L2 or L1/L5,4:estimation,5:IONEX TEC model,6:QZSS broadcast,7:QZSS LEX ionosphere,8:SLANT TEC mode)
             compute_pos_opt.tropopt    =        _server.getParam<int>   (prefix + _unique_name + "/gnss/tropopt"); // troposphere option: (0:correction off,1:Saastamoinen model,2:SBAS model,3:troposphere option: ZTD estimation,4:ZTD+grad estimation,5:ZTD correction,6:ZTD+grad correction)