diff --git a/packages/svelte/src/internal/client/reactivity/forks.js b/packages/svelte/src/internal/client/reactivity/forks.js
index 6c4705b934..2bcd4a37ef 100644
--- a/packages/svelte/src/internal/client/reactivity/forks.js
+++ b/packages/svelte/src/internal/client/reactivity/forks.js
@@ -14,6 +14,7 @@ export function remove_active_fork() {
 	active_fork = null;
 }
 
+/** Update `$effect.pending()` */
 function update_pending() {
 	internal_set(pending, forks.size > 0);
 }
diff --git a/packages/svelte/src/internal/client/reactivity/sources.js b/packages/svelte/src/internal/client/reactivity/sources.js
index 2ce3c8ba66..0781a7dc50 100644
--- a/packages/svelte/src/internal/client/reactivity/sources.js
+++ b/packages/svelte/src/internal/client/reactivity/sources.js
@@ -42,6 +42,7 @@ import { execute_derived } from './deriveds.js';
 export let inspect_effects = new Set();
 export const old_values = new Map();
 
+/** Internal representation of `$effect.pending()` */
 export let pending = source(false);
 
 /**