diff --git a/packages/svelte/src/compiler/phases/3-transform/client/visitors/template.js b/packages/svelte/src/compiler/phases/3-transform/client/visitors/template.js
index 84458993905e..e5302a3a7c3b 100644
--- a/packages/svelte/src/compiler/phases/3-transform/client/visitors/template.js
+++ b/packages/svelte/src/compiler/phases/3-transform/client/visitors/template.js
@@ -2344,7 +2344,8 @@ export const template_visitors = {
 			each_type |= EACH_IS_STRICT_EQUALS;
 		}
 
-		// If the array is a store expression, we need to invalidate it when the array is changed
+		// If the array is a store expression, we need to invalidate it when the array is changed.
+		// This doesn't catch all cases, but all the ones that Svelte 4 catches, too.
 		let store_to_invalidate = '';
 		if (node.expression.type === 'Identifier' || node.expression.type === 'MemberExpression') {
 			const id = object(node.expression);