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Update adding-parameters-to-actions/README.md from tutorial #591

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Update adding-parameters-to-actions/README.md from tutorial #591

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2 changes: 1 addition & 1 deletion ...utorial/02-advanced-svelte/04-actions/02-adding-parameters-to-actions/README.md
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Expand Up @@ -30,7 +30,7 @@ Then, we need to pass some options into the action:
</button>
```

The tooltip now works — almost. If we change the text in the `<input>`, the tooltip will not reflect the new content. We can fix that by adding an `update` method to the returned object.
The tooltip now works — almost. If we change the text in the `<input>`, the tooltip will not reflect the new content. We can fix that by adding an `update` method to the returned object. If the returned object has an update method, it will be called immediately after Svelte has applied updates to the markup whenever that parameter changes.

```js
/// file: App.svelte
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