diff --git a/src/blackcore/fsd/deleteatc.h b/src/blackcore/fsd/deleteatc.h
index 5bdef327d..f33b61a96 100644
--- a/src/blackcore/fsd/deleteatc.h
+++ b/src/blackcore/fsd/deleteatc.h
@@ -23,7 +23,6 @@ namespace BlackCore
         public:
             //! Constructor
             DeleteAtc(const QString &sender, const QString &cid);
-            virtual ~DeleteAtc() {}
 
             //! Message converted to tokens
             QStringList toTokens() const;
@@ -34,7 +33,7 @@ namespace BlackCore
             //! PDU identifier
             static QString pdu() { return "#DA"; }
 
-            QString m_cid;
+            QString m_cid; //! id
 
         private:
             DeleteAtc();
diff --git a/src/blackcore/fsd/fsdidentification.h b/src/blackcore/fsd/fsdidentification.h
index ce6a8607c..2759d41e2 100644
--- a/src/blackcore/fsd/fsdidentification.h
+++ b/src/blackcore/fsd/fsdidentification.h
@@ -33,8 +33,10 @@ namespace BlackCore
             //! PDU identifier
             static QString pdu() { return "$DI"; }
 
+            //! Properties @{
             QString m_serverVersion;
             QString m_initialChallenge;
+            //! @}
 
         private:
             FSDIdentification();
diff --git a/src/blackcore/fsd/interimpilotdataupdate.h b/src/blackcore/fsd/interimpilotdataupdate.h
index 87ec86598..5339b136f 100644
--- a/src/blackcore/fsd/interimpilotdataupdate.h
+++ b/src/blackcore/fsd/interimpilotdataupdate.h
@@ -35,6 +35,7 @@ namespace BlackCore
             //! PDU identifier
             static QString pdu() { return "#SB"; }
 
+            //! Properties @{
             double m_latitude = 0.0;
             double m_longitude = 0.0;
             int m_altitudeTrue = 0.0;
@@ -42,7 +43,8 @@ namespace BlackCore
             double m_pitch = 0.0;
             double m_bank = 0.0;
             double m_heading = 0.0;
-            bool m_onGround = false;
+            bool   m_onGround = false;
+            //! @}
 
         private:
             InterimPilotDataUpdate();
diff --git a/src/blackcore/fsd/killrequest.h b/src/blackcore/fsd/killrequest.h
index cf24e63a0..085692cf7 100644
--- a/src/blackcore/fsd/killrequest.h
+++ b/src/blackcore/fsd/killrequest.h
@@ -34,7 +34,7 @@ namespace BlackCore
             //! PDU identifier
             static QString pdu() { return "$!!"; }
 
-            QString m_reason;
+            QString m_reason; //!< reason for kill request/kicked
 
         private:
             KillRequest();
diff --git a/src/blackcore/fsd/messagebase.h b/src/blackcore/fsd/messagebase.h
index 76d8d1d42..88a947295 100644
--- a/src/blackcore/fsd/messagebase.h
+++ b/src/blackcore/fsd/messagebase.h
@@ -16,6 +16,7 @@
 #include <QString>
 #include <QStringList>
 
+//! Message type
 enum class MessageType
 {
     Unknown,
diff --git a/src/blackcore/fsd/pilotdataupdate.h b/src/blackcore/fsd/pilotdataupdate.h
index 2593da168..9dbbb1ec7 100644
--- a/src/blackcore/fsd/pilotdataupdate.h
+++ b/src/blackcore/fsd/pilotdataupdate.h
@@ -36,18 +36,20 @@ namespace BlackCore
             //! PDU identifier
             static QString pdu() { return "@"; }
 
+            //! Properties @{
             BlackMisc::Aviation::CTransponder::TransponderMode m_transponderMode = BlackMisc::Aviation::CTransponder::StateStandby;
             int m_transponderCode = 0;
             PilotRating m_rating = PilotRating::Unknown;
-            double m_latitude = 0.0;
+            double m_latitude  = 0.0;
             double m_longitude = 0.0;
             int m_altitudeTrue = 0.0;
             int m_altitudePressure = 0.0;
             int m_groundSpeed = 0;
             double m_pitch = 0.0;
-            double m_bank = 0.0;
+            double m_bank  = 0.0;
             double m_heading = 0.0;
             bool m_onGround = false;
+            //! @}
 
         private:
             PilotDataUpdate();