fix message

Author: Rich-Harris

documentation/docs/98-reference/.generated/compile-errors.md

@@ -579,7 +579,7 @@ Cannot use `%rune%()` more than once
 ### props_id_invalid_placement
 
 ```
-`$props.id()` can only be affected at the top level of components as a const declaration initializer
+`$props.id()` can only be used at the top level of components as a variable declaration initializer
 ```
 
 ### props_illegal_name

packages/svelte/messages/compile-errors/script.md

@@ -124,7 +124,7 @@ This turned out to be buggy and unpredictable, particularly when working with de
 
 ## props_id_invalid_placement
 
-> `$props.id()` can only be affected at the top level of components as a const declaration initializer
+> `$props.id()` can only be used at the top level of components as a variable declaration initializer
 
 ## props_illegal_name
 

packages/svelte/src/compiler/errors.js

@@ -289,12 +289,12 @@ export function props_duplicate(node, rune) {
 }
 
 /**
- * `$props.id()` can only be affected at the top level of components as a const declaration initializer
+ * `$props.id()` can only be used at the top level of components as a variable declaration initializer
  * @param {null | number | NodeLike} node
  * @returns {never}
  */
 export function props_id_invalid_placement(node) {
-	e(node, 'props_id_invalid_placement', `\`$props.id()\` can only be affected at the top level of components as a const declaration initializer\nhttps://svelte.dev/e/props_id_invalid_placement`);
+	e(node, 'props_id_invalid_placement', `\`$props.id()\` can only be used at the top level of components as a variable declaration initializer\nhttps://svelte.dev/e/props_id_invalid_placement`);
 }
 
 /**