diff --git a/example/main.cpp b/example/main.cpp
index ae078e0..dca0291 100644
--- a/example/main.cpp
+++ b/example/main.cpp
@@ -4,9 +4,7 @@
 using namespace avr::literals;
 
 // One source for the tiny85 (open-drain software I2C on the USI pins) and
-// the mega328P (TWI hardware). On first power-up the clock is seeded and
-// alarm 1 armed; then the LED mirrors the seconds parity - a stuck LED
-// means bus errors.
+// the mega328P (TWI hardware).
 using dev = avr::device<{.clock = 8_MHz}>;
 using bus = dev::i2c<{.frequency = 100_kHz}>;
 using rtc = ds3231::device<bus>;
@@ -17,8 +15,6 @@ int main()
 	avr::init<bus, led>();
 
 	if (auto stopped = rtc::oscillator_stopped(); stopped.value_or(false)) {
-		// A failed seed leaves the LED dark before the loop ever runs - the
-		// same signal a stuck bus gives it below.
 		const bool seeded = rtc::write_clock({{2026, 1, 1}, {12, 0, 0}}) &&
 		                    rtc::set_alarm1({}, ds3231::alarm1_rate::once_per_second) &&
 		                    rtc::clear_oscillator_stopped();
@@ -30,7 +26,7 @@ int main()
 			led::write(now->second % 2 == 0);
 		}
 		if (auto fired = rtc::alarm1_fired(); fired.value_or(false) && !rtc::clear_alarm1()) {
-			led::clear(); // a clear that failed holds the LED dark, like any bus error
+			led::clear();
 		}
 		dev::delay<100_ms>();
 	}