diff --git a/examples/.bare5.rs.swp b/examples/.bare5.rs.swp
deleted file mode 100644
index 3a33262254f9e0e8a262228114e94f049cdb9e18..0000000000000000000000000000000000000000
Binary files a/examples/.bare5.rs.swp and /dev/null differ
diff --git a/examples/.bare6.rs.swp b/examples/.bare6.rs.swp
new file mode 100644
index 0000000000000000000000000000000000000000..68d0b25e445df679880bc7a6284681024a098f34
Binary files /dev/null and b/examples/.bare6.rs.swp differ
diff --git a/examples/bare6.rs b/examples/bare6.rs
index 2ec90ddfeb82c530122e98fef5f4d7931259164a..ba6c72727bf7175a79ab9e0e59669be6d1f2f459 100644
--- a/examples/bare6.rs
+++ b/examples/bare6.rs
@@ -101,6 +101,7 @@ fn idle(dwt: &mut DWT, rcc: &mut RCC, gpioa: &mut GPIOA) {
 //
 // what is the frequency of blinking
 // ** your answer here **
+// 2hz
 //
 // commit your answers (bare6_1)
 //