Add useful comment for console codes

1 files changed, 1 insertions, 0 deletions

diff --git a/timer.ha b/timer.ha
index 016519a..d3b5c62 100644
--- a/timer.ha
+++ b/timer.ha
@@ -16,6 +16,7 @@ fn timer_handler(file: *ev::file) void = {
 	const tn = time::now(time::clock::MONOTONIC);
 	const currentduration = time::diff(tn, t);
 
+	// man page console_codes(4) is useful
 	fmt::fprint(os::stderr, "\x1B[1K\r")!;
 	fmt::fprint(os::stderr, math::ceilf64(currentduration: f64 / time::SECOND: f64): u64)!;
 	if (currentduration <= 0) {