diff --git a/packages/svelte/src/internal/client/reactivity/batch.js b/packages/svelte/src/internal/client/reactivity/batch.js
index 93a3f53b23..6c5ab8796a 100644
--- a/packages/svelte/src/internal/client/reactivity/batch.js
+++ b/packages/svelte/src/internal/client/reactivity/batch.js
@@ -112,6 +112,7 @@ export class Batch {
 
 	/**
 	 * If a fork is discarded, we need to destroy any effects that are no longer needed
+	 * @type {Set<(batch: Batch) => void>}
 	 */
 	#discard_callbacks = new Set();