diff --git a/src/blackcore/aircraftmatcher.cpp b/src/blackcore/aircraftmatcher.cpp
index 425d16541..d1406ea38 100644
--- a/src/blackcore/aircraftmatcher.cpp
+++ b/src/blackcore/aircraftmatcher.cpp
@@ -915,7 +915,7 @@ namespace BlackCore
         return {};
     }
 
-    bool CAircraftMatcher::isKnowAircraftDesignator(const QString &candidate, const CCallsign &callsign, CStatusMessageList *log)
+    bool CAircraftMatcher::isKnownAircraftDesignator(const QString &candidate, const CCallsign &callsign, CStatusMessageList *log)
     {
         if (!sApp || sApp->isShuttingDown() || !sApp->hasWebDataServices()) { return false; }
         if (!CAircraftIcaoCode::isValidDesignator(candidate))
diff --git a/src/blackcore/aircraftmatcher.h b/src/blackcore/aircraftmatcher.h
index 200d75fd6..b76415840 100644
--- a/src/blackcore/aircraftmatcher.h
+++ b/src/blackcore/aircraftmatcher.h
@@ -199,9 +199,12 @@ namespace BlackCore
             const QString &candidate, const BlackMisc::Aviation::CCallsign &callsign = {},
             BlackMisc::CStatusMessageList *log = nullptr);
 
-        //! Is this designator known?
+        //! Is this aircraft designator known?
         //! \threadsafe
-        static bool isKnowAircraftDesignator(
+        static bool isKnownAircraftDesignator(
+            const QString &candidate, const BlackMisc::Aviation::CCallsign &callsign = {},
+            BlackMisc::CStatusMessageList *log = nullptr);
+
             const QString &candidate, const BlackMisc::Aviation::CCallsign &callsign = {},
             BlackMisc::CStatusMessageList *log = nullptr);
 
diff --git a/src/blackcore/airspacemonitor.cpp b/src/blackcore/airspacemonitor.cpp
index 02827c976..5bfe8266a 100644
--- a/src/blackcore/airspacemonitor.cpp
+++ b/src/blackcore/airspacemonitor.cpp
@@ -789,7 +789,7 @@ namespace BlackCore
             if (!aircraftIcao.hasValidDbKey())
             {
                 aircraftIcao = CAircraftIcaoCode(aircraftIcaoString);
-                const bool knownAircraftIcao = CAircraftMatcher::isKnowAircraftDesignator(aircraftIcaoString, callsign, log);
+                const bool knownAircraftIcao = CAircraftMatcher::isKnownAircraftDesignator(aircraftIcaoString, callsign, log);
                 if (airlineIcao.isLoadedFromDb() && !knownAircraftIcao)
                 {
                     // we have no valid aircraft ICAO, so we do a fuzzy search among those