diff --git a/examples/bare6.rs b/examples/bare6.rs
index 2ec90ddfeb82c530122e98fef5f4d7931259164a..0d06c1933dac6bd2df76335fcaed51acea7a243a 100644
--- a/examples/bare6.rs
+++ b/examples/bare6.rs
@@ -174,7 +174,7 @@ fn idle(dwt: &mut DWT, rcc: &mut RCC, gpioa: &mut GPIOA) {
 //
 // commit your answers (bare6_5)
 //
-// 6. now reprogram the PC9 to be "Low Speed", and re-run at 64Mz
+// 6. now reprogram the PC9 to be "Low Speed", and re-run at 84Mz
 //
 // did the frequency change in comparison to assignment 5.
 // ** your answer here **