diff --git a/i3-nagbar/main.c b/i3-nagbar/main.c
index 742039e2..1dbd7736 100644
--- a/i3-nagbar/main.c
+++ b/i3-nagbar/main.c
@@ -252,7 +252,7 @@ int main(int argc, char *argv[]) {
                 break;
             case 'h':
                 printf("i3-nagbar " I3_VERSION "\n");
-                printf("i3-nagbar [-m <message>] [-b <button> <action>] [-f <font>] [-v]\n");
+                printf("i3-nagbar [-m <message>] [-b <button> <action>] [-t warning|error] [-f <font>] [-v]\n");
                 return 0;
             case 'b':
                 buttons = realloc(buttons, sizeof(button_t) * (buttoncnt + 1));