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-rw-r--r--flash_unlock.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/flash_unlock.c b/flash_unlock.c
index d775c0b..f51870a 100644
--- a/flash_unlock.c
+++ b/flash_unlock.c
@@ -52,7 +52,8 @@ static void usage(int status)
" -u --unlock Unlock a region of flash\n"
"\n"
"If offset is not specified, it defaults to 0.\n"
- "If block count is not specified, it defaults to all blocks.\n",
+ "If block count is not specified, it defaults to all blocks.\n"
+ "A block count of -1 means all blocks.\n",
flash_msg[DEFAULT_REQUEST],
PROGRAM_NAME);
exit(status);