chore: fix docs admin folder casing

docs/configuration/collections.mdx

@@ -65,7 +65,7 @@ You can customize the way that the Admin panel behaves on a collection-by-collec
 | `defaultColumns`             | Array of field names that correspond to which columns to show by default in this collection's List view. |
 | `disableDuplicate `          | Disables the "Duplicate" button while editing documents within this collection. |
 | `enableRichTextRelationship` | The [Rich Text](/docs/fields/rich-text) field features a `Relationship` element which allows for users to automatically reference related documents within their rich text. Set this field to `true` to enable the collection to be selected within it. |
-| `preview`        | Function to generate preview URLS within the Admin panel that can point to your app. [More](/docs/collections#preview). |
+| `preview`                    | Function to generate preview URLS within the Admin panel that can point to your app. [More](/docs/configuration/collections#preview). |
 | `components`                 | Swap in your own React components to be used within this collection. [More](/docs/admin/components#collections) |
 
 ### Preview
@@ -110,4 +110,4 @@ Hooks are a powerful way to extend collection functionality and execute your own
 
 ### Field types
 
-Collections support all field types that Payload has to offer—including simple fields like text and checkboxes all the way to more complicated layout-building field groups like Blocks. [Click here](/docs/fields/config) to learn more about field types.
+Collections support all field types that Payload has to offer—including simple fields like text and checkboxes all the way to more complicated layout-building field groups like Blocks. [Click here](/docs/fields/overview) to learn more about field types.