diff --git a/examples/.bare7.rs.swp b/examples/.bare7.rs.swp
deleted file mode 100644
index 2857c6dcee63c8c07b2346e8da901c176fedb656..0000000000000000000000000000000000000000
Binary files a/examples/.bare7.rs.swp and /dev/null differ
diff --git a/examples/bare6.rs b/examples/bare6.rs
index 3495eb821bca05324676e0e953804d6bd8fde520..8132f1d945cc3dd9c3077d5b31163874c1245fa2 100644
--- a/examples/bare6.rs
+++ b/examples/bare6.rs
@@ -111,12 +111,16 @@ fn idle(dwt: &mut DWT, rcc: &mut RCC, gpioa: &mut GPIOA) {
 //
 // what is the frequency of MCO2 read by the oscilloscope
 // ** your answer here **
+//  2.169 KHz low signal amplitude
 //
 // compute the value of SYSCLK based on the oscilloscope reading
 // ** your answer here **
+//  2.2 * 4 = 8.8 KHz
 //
 // what is the peak to peak reading of the signal
 // ** your answer here **
+//  1.38 V
+//
 //
 // make a folder called "pictures" in your git project
 // make a screen dump or photo of the oscilloscope output