Add some letters that seem appropriate.

src/sbbs3/scfg/scfgsys.c

@@ -1467,14 +1467,14 @@ while(1) {
 					"This menu allows you to change the security options for every possible\n"
 					"security level from 0 to 99. The available options for each level are:\n"
 					"\n"
-					"    Time Per Da            Maximum online time per day\n"
-					"    Time Per Cal           Maximum online time per call\n"
-					"    Calls Per Da           Maximum number of calls per day\n"
-					"    Email Per Da           Maximum number of email per day\n"
-					"    Posts Per Da           Maximum number of posts per day\n"
-					"    Lines Per Messag       Maximum number of lines per message\n"
+					"    Time Per Day           Maximum online time per day\n"
+					"    Time Per Call          Maximum online time per call\n"
+					"    Calls Per Day          Maximum number of calls per day\n"
+					"    Email Per Day          Maximum number of email per day\n"
+					"    Posts Per Day          Maximum number of posts per day\n"
+					"    Lines Per Message      Maximum number of lines per message\n"
 					"    Free Credits Per Day   Number of free credits per day\n"
-					"    Expire T               Level or validation set to Expire to\n"
+					"    Expire To              Level or validation set to Expire to\n"
 				;
 				i=uifc.list(WIN_RHT|WIN_ACT,0,3,0,&dflt,&bar
 					,"Level   T/D   T/C   C/D   E/D   P/D   L/M   F/D   "