diff --git a/include/gnss_utils/gnss_utils.h b/include/gnss_utils/gnss_utils.h
index 0efa94f55c532ee42ff3560cb8ab4f101389c1b9..f2be565b6b02918ad3fc577d6f4375b3bd20422b 100644
--- a/include/gnss_utils/gnss_utils.h
+++ b/include/gnss_utils/gnss_utils.h
@@ -42,7 +42,7 @@ struct ComputePosOutput
   double          age;        // age of differential (s)
   double          ratio;      // AR ratio factor for valiation
 
-  int             pos_stat;  // return from pntpos
+  int             pos_stat;  // return from pntpos 1:ok,0:error
   Eigen::Vector3d lat_lon;   // latitude_longitude_altitude
 
   std::map<int,Eigen::Vector2d> sat_azel; // azimuth and elevation of each satellite provided