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-rw-r--r--include/usage.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/usage.h b/include/usage.h
index 6f8558800..094eae8d9 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -2620,9 +2620,11 @@
"Mon Dec 17 10:31:44 GMT 2000"
#define watchdog_trivial_usage \
- "DEV"
+ "[-t <seconds>] DEV"
#define watchdog_full_usage \
- "Periodically write to watchdog device DEV"
+ "Periodically write to watchdog device DEV.\n" \
+ "Options:\n" \
+ "\t-t\tTimer period in seconds - default is 30."
#define wc_trivial_usage \
"[OPTION]... [FILE]..."