Update SwapchainCreateInfo image_extent doc
Outdated mention of None
@@ -1014,10 +1014,10 @@ pub struct SwapchainCreateInfo {
/// The extent of the created images.
///
- /// If set to `None`, the value of
+ /// If any of the values is 0, the value of
/// [`SurfaceCapabilities::current_extent`](crate::swapchain::SurfaceCapabilities) will be used.
///
- /// The default value is `None`.
+ /// The default value is `[0, 0]`.
pub image_extent: [u32; 2],
/// The number of array layers of the created images.
