Clarify default version redirect behavior

organize/navigation.mdx

@@ -120,11 +120,11 @@
 
 Use the `expanded` property to control the default state of a nested group in the navigation sidebar.
 
 - `expanded: true`: Group is expanded by default.
 - `expanded: false` or omitted: Group is collapsed by default.
 
 <Note>
   The `expanded` property only affects nested groups--groups within groups. Top-level groups are always expanded and cannot be collapsed.
 </Note>
 
 ```json
@@ -380,9 +380,9 @@
 }
 ```
 
 ## Dropdowns
 
 Dropdowns are an expandable menu at the top of your sidebar navigation. Each item in a dropdown directs to a section of your documentation.
 
 <img
   className="block dark:hidden pointer-events-none"
@@ -517,7 +517,7 @@
 
 ### Default version
 
-Mintlify uses the first version in the `versions` array as the default. Use the `default` field to specify a different version as the default.
+Mintlify uses the first version in the `versions` array as the default. Use the `default` field to specify a different version as the default. Visitors who navigate to your site's root URL are redirected to the first page of the default version.
 
 ```json
 {
@@ -950,9 +950,9 @@
 
 </CodeGroup>
 
 ## Breadcrumbs
 
 Breadcrumbs display the full navigation path at the top of pages. Some themes have breadcrumbs enabled by default and others do not. You can control whether breadcrumbs display on your site using the `styling` property in your `docs.json`.
 
 <CodeGroup>