diff --git a/docs/upload/overview.mdx b/docs/upload/overview.mdx
index aa88c68702..f12a06160e 100644
--- a/docs/upload/overview.mdx
+++ b/docs/upload/overview.mdx
@@ -185,6 +185,8 @@ The [Admin Panel](../admin/overview) will also automatically display all availab
 
 Behind the scenes, Payload relies on [`sharp`](https://sharp.pixelplumbing.com/api-resize#resize) to perform its image resizing. You can specify additional options for `sharp` to use while resizing your images.
 
+Note that for image resizing to work, `sharp` must be specified in your [Payload Config](../configuration/overview). This is configured by default if you created your Payload project with `create-payload-app`. See `sharp` in [Config Options](../configuration/overview#config-options).
+
 #### Accessing the resized images in hooks
 
 All auto-resized images are exposed to be re-used in hooks and similar via an object that is bound to `req.payloadUploadSizes`.