diff -upr less-458_orig/lesskey.c less-458_work/lesskey.c
--- less-458_orig/lesskey.c	2013-05-07 14:03:52.062104533 +0200
+++ less-458_work/lesskey.c	2013-05-07 11:21:10.881991855 +0200
@@ -217,7 +217,15 @@ extern char version[];
 	void
 usage()
 {
-	fprintf(stderr, "usage: lesskey [-o output] [input]\n");
+	fprintf(stderr, "usage: lesskey [-o output] [input]\n\n");
+	fprintf(stderr,
+			"  -o output\t- specify output file, otherwise $HOME/.less is used\n");
+	fprintf(stderr,
+			"  -i input\t- specify input file, otherwise standard input is used\n");
+	fprintf(stderr,
+			"  -V\t\t- print lesskey version\n");
+	fprintf(stderr,
+			"  -h\t\t- print this help\n");
 	exit(1);
 }
 
@@ -307,6 +315,8 @@ parse_args(argc, argv)
 			break;
 		case 'o':
 			outfile = &argv[0][2];
+		case 'h':
+			goto opt_h;
 		opt_o:
 			if (*outfile == '\0')
 			{
@@ -319,6 +329,7 @@ parse_args(argc, argv)
 		opt_V:
 			printf("lesskey  version %s\n", version);
 			exit(0);
+		opt_h:
 		default:
 			usage();
 		}