--- a/main/config.h	Fri May 17 15:43:31 2019 +0200
+++ b/main/config.h	Sat May 18 11:34:51 2019 +0200
@@ -171,7 +171,7 @@
     bool		AskIodine;			///< Ask to confirm the iodine test.
     uint8_t		IodineTime;			///< Continue after this time if not confirmed.
     int			EquipmentRec;			///< Equipment record number.
-    char		obsolete1[32];			///< Obsolete.
+    char		ntp_server[32];			///< Preffered NTP server.
     char		hostname[32];			///< Our hostname.
     char		ap_ssid[32];			///< AP SSID.
     char		ap_pwd[64];			///< AP password.