diff --git a/mute-interpreter/src/env/core.rs b/mute-interpreter/src/env/core.rs
index 09d8373..05db53d 100644
--- a/mute-interpreter/src/env/core.rs
+++ b/mute-interpreter/src/env/core.rs
@@ -64,6 +64,9 @@ pub(super) fn core() -> HashMap<String, Value> {
                     .unwrap_or(Node::Int(0))
             }),
         ),
+        // Errors!
+        // XXX: I fully expect errors to be overhauled when chaining and tagged unions
+        // are implemented.
         (
             "error",
             NativeFunc(|args| {