diff --git a/source/index.ts b/source/index.ts
index e7835cf..5913d7a 100644
--- a/source/index.ts
+++ b/source/index.ts
@@ -456,6 +456,7 @@ export function isEnumCase<T = unknown>(value: unknown, targetEnum: T): value is
 }
 
 export function isError(value: unknown): value is Error {
+	// TODO: Use `Error.isError` when targeting Node.js 24.`
 	return getObjectType(value) === 'Error';
 }
 
@@ -468,6 +469,8 @@ export function isFalsy(value: unknown): value is Falsy {
 	return !value;
 }
 
+// TODO: Support detecting Float16Array when targeting Node.js 24.
+
 export function isFloat32Array(value: unknown): value is Float32Array {
 	return getObjectType(value) === 'Float32Array';
 }