Document ignored parameter -T

fping.8

@@ -140,7 +140,7 @@ mode, this is the amount of time that
 waits for a response to its first request.  Successive timeouts are
 multiplied by the backoff factor.
 .IP \fB-T\fIn\fR 5
-Select timeout in seconds (default 10).
+Ignored (for compatibility with fping 2.4).
 .IP \fB-u\fR 5
 Show targets that are unreachable.
 .IP \fB-T\fIn\fR 5

fping.c

@@ -2933,6 +2933,7 @@ void usage( void )
 #endif
     fprintf( stderr, "   -S addr    set source address\n" );
     fprintf( stderr, "   -t n       individual target initial timeout (in millisec) (default %d)\n", timeout / 100 );
+    fprintf( stderr, "   -T n       ignored (for compatibility with fping 2.4)\n");
     fprintf( stderr, "   -u         show targets that are unreachable\n" );
     fprintf( stderr, "   -O n       set the type of service (tos) flag on the ICMP packets\n" );
     fprintf( stderr, "   -v         show version\n" );