docs: fix typo in storage-adapters documentation (#13648)

### What?
Typo in documentation

Change `of` to `or`

Co-authored-by: Paul Popus <paul@payloadcms.com>

Author: rubixvi

docs/upload/storage-adapters.mdx

@@ -85,7 +85,7 @@ pnpm add @payloadcms/storage-s3
 - The `config` object can be any [`S3ClientConfig`](https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/client/s3) object (from [`@aws-sdk/client-s3`](https://github.com/aws/aws-sdk-js-v3)). _This is highly dependent on your AWS setup_. Check the AWS documentation for more information.
 - When enabled, this package will automatically set `disableLocalStorage` to `true` for each collection.
 - When deploying to Vercel, server uploads are limited with 4.5MB. Set `clientUploads` to `true` to do uploads directly on the client. You must allow CORS PUT method for the bucket to your website.
-- Configure `signedDownloads` (either globally of per-collection in `collections`) to use [presigned URLs](https://docs.aws.amazon.com/AmazonS3/latest/userguide/using-presigned-url.html) for files downloading. This can improve performance for large files (like videos) while still respecting your access control. Additionally, with `signedDownloads.shouldUseSignedURL` you can specify a condition whether Payload should use a presigned URL, if you want to use this feature only for specific files.
+- Configure `signedDownloads` (either globally or per-collection in `collections`) to use [presigned URLs](https://docs.aws.amazon.com/AmazonS3/latest/userguide/using-presigned-url.html) for files downloading. This can improve performance for large files (like videos) while still respecting your access control. Additionally, with `signedDownloads.shouldUseSignedURL` you can specify a condition whether Payload should use a presigned URL, if you want to use this feature only for specific files.
 - You can conditionally enable the plugin using the `enabled` option. For example, `enabled: Boolean(process.env.S3_BUCKET)` skips the plugin in local development when credentials are not set.
 
 ```ts