diff --git a/examples/bare3.rs b/examples/bare3.rs
index 2d23861ebc7e27673c8d4ccca090d12660bdc572..32a5bf004859c811710ec47d29ca2373e369c14a 100644
--- a/examples/bare3.rs
+++ b/examples/bare3.rs
@@ -93,6 +93,6 @@ fn main() -> ! {
 // 5. Look for a way to make this copy done without a loop.
 //    https://doc.rust-lang.org/beta/std/primitive.slice.html
 //
-//    Implement and test your solution
+//    Implement and test your solution.
 //
 //    commit your answers (bare3_5)