Update README.md

Updated documentation. A comma should be used instead of a colon to split multiple keys.

README.md

@@ -136,7 +136,7 @@ useHotkeys(keys: string | string[], callback: (event: KeyboardEvent, handler: Ho
 
 | Parameter     | Type                                                    | Required? | Default value | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
 |---------------|---------------------------------------------------------|-----------|---------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| `keys`        | `string` or `string[]`                                  | required  | -             | set the hotkeys you want the hook to listen to. You can use single or multiple keys, modifier combinations, etc. This will either be a string or an array of strings. To separate multiple keys, use a colon. This split key value can be overridden with the `splitKey` option.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
+| `keys`        | `string` or `string[]`                                  | required  | -             | set the hotkeys you want the hook to listen to. You can use single or multiple keys, modifier combinations, etc. This will either be a string or an array of strings. To separate multiple keys, use a comma. This split key value can be overridden with the `splitKey` option.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
 | `callback`    | `(event: KeyboardEvent, handler: HotkeysEvent) => void` | required  | -             | This is the callback function that will be called when the hotkey is pressed. The callback will receive the browsers native `KeyboardEvent` and the libraries `HotkeysEvent`.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
 | `options`     | `Options`                                               | optional  | `{}`          | Object to modify the behavior of the hook. Default options are given below.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
 | `dependencies` | `DependencyList`                                         | optional  | `[]`           | The given callback will always be memoised inside the hook. So if you reference any outside variables, you need to set them here for the callback to get updated (Much like `useCallback` works in React). |