docs, src: updates usage text for utilities

src/intcmp.c

@@ -52,7 +52,7 @@ int main(int argc, char *argv[]){
 
 	if(optind + 2 /* ref cmp */ > argc){
 usage:		fprintf(stderr,
-			"Usage: %s (-eghl) [integer] [integer...]\n",
+			"Usage: %s [-eghl] integer integer...\n",
 			argv[0] == NULL ? program_name : argv[0]);
 		return EX_USAGE;
 	}