chore: update README.md (#255)

Author: vonovak

README.md

@@ -119,7 +119,7 @@ In particular, it allows setting `IconComponent`, `size` and `color` in one plac
 | ---------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- |
 | HeaderButtonComponent?: `ComponentType<HeaderButtonProps>` | component that renders the buttons, `HeaderButton` by default                                                                                                   | Typically, you'll want to provide a component that wraps `HeaderButton` provided by this package, as seen in the [quick example](#quick-example). |
 | children: ReactNode                                        | whatever you want to render inside                                                                                                                              | Typically, `Item` or your component that renders `Item`, but it can be any React element.                                                         |
-| left?: boolean                                             | whether the `HeaderButtons` are on the left from header title                                                                                                   | false by default, it only influences styling in a subtle way                                                                                      |
+| left?: boolean                                             | whether the `HeaderButtons` are on the left from header title                                                                                                   | false by default, it only influences styling (margins) in a subtle way                                                                            |
 | preset?: 'tabHeader' \| 'stackHeader'                      | headers are typically rendered in Stack Navigator, however, you can also render them in a Tab Navigator header. Pass 'tabHeader' if button margins are missing. | 'stackHeader' by default                                                                                                                          |
 
 ### `Item`