Fix typo in migration guide (#8836)

docs/getting-started/v3-migration.md

@@ -61,7 +61,7 @@ A number of changes were made to the configuration options passed to the `Chart`
 
 * Indexable options are now looping. `backgroundColor: ['red', 'green']` will result in alternating `'red'` / `'green'` if there are more than 2 data points.
 * The input properties of object data can now be freely specified, see [data structures](../general/data-structures.md) for details.
-* Most options are resolved utilizing proxies, instead merging with defaults. In addition to easily enabling different resolution routes for different contexts, it allows using other resolved options in scriptable options.
+* Most options are resolved utilizing proxies, instead of merging with defaults. In addition to easily enabling different resolution routes for different contexts, it allows using other resolved options in scriptable options.
   * Options are by default scriptable and indexable, unless disabled for some reason.
   * Scriptable options receive a option reolver as second parameter for accessing other options in same context.
   * Resolution falls to upper scopes, if no match is found earlier. See [options](./general/options.md) for details.