diff --git a/packages/svelte/src/internal/client/types.d.ts b/packages/svelte/src/internal/client/types.d.ts
index 0ef78c334c..19645fcc32 100644
--- a/packages/svelte/src/internal/client/types.d.ts
+++ b/packages/svelte/src/internal/client/types.d.ts
@@ -64,8 +64,11 @@ export type TemplateNode = Text | Element | Comment;
 export type Dom = TemplateNode | TemplateNode[];
 
 export type EachState = {
+	/** flags */
 	flags: number;
+	/** a key -> item lookup */
 	items: Map<any, EachItem>;
+	/** head of the linked list of items */
 	first: EachItem | null;
 };