diff --git a/src/utils.rs b/src/utils.rs
index 8cbd522c7f..58adfc6729 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -21,6 +21,7 @@ pub(crate) fn remove_trailing_zeroes(data: &mut [u8]) -> usize {
 /// A trait very similar to `Default` but is only implemented for the equivalent Rust types to
 /// `MavType`s. This is only needed because rust doesn't currently implement `Default` for arrays
 /// of all sizes. In particular this trait is only ever used when the "serde" feature is enabled.
+/// For more information, check out [this issue](https://users.rust-lang.org/t/issue-for-derives-for-arrays-greater-than-size-32/59055/3).
 pub(crate) trait RustDefault: Copy {
     fn rust_default() -> Self;
 }