Removed "freq" from usage display of "interval" options.

src/sbbs3/jsexec.c

@@ -84,8 +84,8 @@ void usage(FILE* fp)
 		"\t-m <bytes>      set maximum heap size (default=%u bytes)\n"
 		"\t-s <bytes>      set context stack size (default=%u bytes)\n"
 		"\t-b <limit>      set branch limit (default=%u, 0=unlimited)\n"
-		"\t-y <freq>       set yield interval (default=%u, 0=never)\n"
-		"\t-g <freq>       set garbage collection interval (default=%u, 0=never)\n"
+		"\t-y <interval>   set yield interval (default=%u, 0=never)\n"
+		"\t-g <interval>   set garbage collection interval (default=%u, 0=never)\n"
 		"\t-H              use local host name (instead of SCFG value)\n"
 		"\t-h <hostname>   use specified host name (instead of SCFG value)\n"
 		"\t-t <filename>   send console output to stdout and filename\n"