Fix Natural english

build/exe/doliwamp/UsedPort.cpp

@@ -277,7 +277,7 @@ help=!(Port > 0);
 Usage:
 if (help) {
 	printf("----- %s V%s (c)Laurent Destailleur -----\n",PROG,VERSION);
-	printf("%s is a software that allows you to know if a TCP/IP port is used\n",PROG);
+	printf("%s is software that allows you to know if a TCP/IP port is used\n",PROG);
 	printf("%s sources can be compiled for WIN32 (VC++, GCC CYGWIN, MINGW) or for\n");
 	printf("Unix/Linux (GCC)\n",PROG);
 	printf("\n");