Handle left and right shift, allow shift+enter.

1 files changed, 1 insertions, 0 deletions

diff --git a/usage.c b/usage.c
index 847cc76..b9d3d93 100644
--- a/usage.c
+++ b/usage.c
@@ -3,6 +3,7 @@ const char *helptext[] = {
 	"  -f: run in foreground, not as a daemon.",
 	"  -k keyboard-device: keyboard device (usually under /dev/input/by-id/).",
 	"  -p pause-ms: pause before opening keyboard/uinput devs (default 0).",
+	"  -s thresh-ms: threshold in ms for shift key followed by enter (default 30 or -d * 3).",
 	"  -v: verbose debugging.",
 	"  -h, --help: this help text.",
 	"  -V, --version: show version number.",