diff --git a/examples/bare6.rs b/examples/bare6.rs
index bda939160cc3cbcb37c4063fca60611ed98f5f05..cafa33f3d5e42e3dee111417b7d853f02cf14b62 100644
--- a/examples/bare6.rs
+++ b/examples/bare6.rs
@@ -128,7 +128,7 @@ fn clock_out(rcc: &RCC, gpioc: &GPIOC) {
 //
 //    What is the frequency of blinking?
 //
-//    ** your answer here **
+//    2s, 0.5Hz
 //
 //    commit your answers (bare6_1)
 //