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-rw-r--r--flash_unlock.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/flash_unlock.c b/flash_unlock.c
index 9a24b5f..27e7df1 100644
--- a/flash_unlock.c
+++ b/flash_unlock.c
@@ -29,7 +29,12 @@
static void usage(int status)
{
fprintf(status ? stderr : stdout,
- "Usage: %s <mtd device> [offset [block count]]\n\n"
+ "Usage: %s [options] [--] <mtd device> [offset [block count]]\n"
+ "\n"
+ "Options:\n"
+ " -h --help Display this help and exit\n"
+ " --version Display version information and exit\n"
+ "\n"
"If offset is not specified, it defaults to 0.\n"
"If block count is not specified, it defaults to all blocks.\n",
PROGRAM_NAME);