Fix error message

diff --git a/simavr/sim/run_avr.c b/simavr/sim/run_avr.c
index b4fda3f..a249eb5 100644 (file)
--- a/simavr/sim/run_avr.c
+++ b/simavr/sim/run_avr.c
@@ -205,7 +205,7 @@ main(
                        char * suffix = strrchr(filename, '.');
                        if (suffix && !strcasecmp(suffix, ".hex")) {
                                if (!name[0] || !f_cpu) {
-                                       fprintf(stderr, "%s: -mcu and -freq are mandatory to load .hex files\n", argv[0]);
+                                       fprintf(stderr, "%s: --mcu and --freq are mandatory to load .hex files\n", argv[0]);
                                        exit(1);
                                }
                                ihex_chunk_p chunk = NULL;