Improve comments

src/kaevent.cpp

@@ -379,14 +379,13 @@ public:
 // If this changes, KAEvent::convertKCalEvents() must be changed correspondingly.
 // The string version is the KAlarm version string used in the calendar file.
 
-//QT5 Fix library version
 QByteArray KAEvent::currentCalendarVersionString()
 {
-    return QByteArray("2.7.0");
+    return QByteArray("2.7.0");   // This is NOT the KAlarmCal library .so version!
 }
 int        KAEvent::currentCalendarVersion()
 {
-    return Version(2, 7, 0);
+    return Version(2, 7, 0);   // This is NOT the KAlarmCal library .so version!
 }
 
 // Custom calendar properties.

src/kaevent.h

@@ -1270,12 +1270,16 @@ public:
     void endChanges();
 
     /** Return the current KAlarm calendar storage format version.
+     *  This is the KAlarm version which first used the current calendar/event
+     *  format. It is NOT the KAlarmCal library .so version!
      *  @return version in the format returned by KAlarmCal::Version().
      *  @see currentCalendarVersionString()
      */
     static int currentCalendarVersion();
 
     /** Return the current KAlarm calendar storage format version.
+     *  This is the KAlarm version which first used the current calendar/event
+     *  format. It is NOT the KAlarmCal library .so version!
      *  @return version as a string in the format "1.2.3".
      *  @see currentCalendarVersion()
      */