diff --git a/crates/linker/src/metadata.rs b/crates/linker/src/metadata.rs
index 0f606a40ac..390f21fc47 100644
--- a/crates/linker/src/metadata.rs
+++ b/crates/linker/src/metadata.rs
@@ -25,6 +25,7 @@ pub struct SurgeryEntry {
 // I think a number of them can be combined to reduce string duplication.
 // Also I think a few of them aren't need.
 // For example, I think preprocessing can deal with all shifting and remove the need for added_byte_count.
+// TODO: we probably should be storing numbers in an endian neutral way.
 #[derive(Default, Serialize, Deserialize, PartialEq, Eq, Debug)]
 pub struct Metadata {
     pub app_functions: Vec<String>,