Improve errror handling on importing wrong station callsigns

application/models/Logbook_model.php

@@ -2888,7 +2888,8 @@ function check_if_callsign_worked_in_logbook($callsign, $StationLocationsArray =
 	}
 
         if ((!$skipStationCheck) && ($station_id != 0) && (strtoupper($record['station_callsign']) != strtoupper($station_profile_call))) {     // Check if station_call from import matches profile ONLY when submitting via GUI.
-                return "Wrong station_callsign ".$record['station_callsign']." while importing QSO with ".$record['call']." for ".$station_profile_call." : SKIPPED";
+           return "Wrong station callsign <b>\"".htmlentities($record['station_callsign'])."\"</b> while importing QSO with ".$record['call']." for <b>".$station_profile_call."</b> : SKIPPED" .
+              "<br>See the <a target=\"_blank\" href=\"https://github.com/magicbug/Cloudlog/wiki/ADIF-file-can't-be-imported\">Cloudlog Wiki</a> for hints about errors in ADIF files.";
         }
 
         $CI =& get_instance();