diff --git a/examples/bare3.rs b/examples/bare3.rs
index 2e13ea5a56aea40b8f3948f7dae0f293963de108..578fc2eb541f5f635c59fb2cf6dd5a933da6086c 100644
--- a/examples/bare3.rs
+++ b/examples/bare3.rs
@@ -39,7 +39,7 @@ fn main() -> ! {
     hprintln!("").unwrap();
 
     let a: [u8; 4] = [65u8; 4];
-    //let mut a = [0u8; 4];
+    let mut a = [0u8; 4];
 
     hprintln!("").unwrap();
     hprintln!("a = {}", core::str::from_utf8(&a).unwrap()).unwrap();
@@ -95,7 +95,7 @@ fn main() -> ! {
 //`
 //    Run the program, what happens and why?
 //
-//    ** your answer here **
+//    Does not print anything for a, since 0 in ascii is null
 //
 //    Commit your answers (bare3_3)
 //