Index: sources/storage/Logger.h
===================================================================
diff -u -r1aa53e9869f4c27d53dd9052271ca38befbe22e9 -rae1042a0c14d6d27556730183cc2cbe1a00bc0a7
--- sources/storage/Logger.h	(.../Logger.h)	(revision 1aa53e9869f4c27d53dd9052271ca38befbe22e9)
+++ sources/storage/Logger.h	(.../Logger.h)	(revision ae1042a0c14d6d27556730183cc2cbe1a00bc0a7)
@@ -112,9 +112,9 @@
     };
 
     const QHash<LogType, quint16> _logTypeExpiryDay {
-        { LogType::eLogEvent, 15 },
-        { LogType::eLogDatum, 15 },
-        { LogType::eLogDebug,  5 },
+        { LogType::eLogEvent, 15 }, // in days
+        { LogType::eLogDatum, 15 }, // in days
+        { LogType::eLogDebug,  5 }, // in days
     };
 
     const qint8 _availableSpacePercent = 25; // currently 16G SD-Card so 4G should always be available.