docs: update admin panel location link in custom components docs (#17624)

updates link in custom component section to custom admin panel location

fixes #17576

Author: zubricks

docs/custom-components/overview.mdx

@@ -163,7 +163,7 @@ The import map is **never regenerated** during:
   **Important:** The import map file should never be manually edited. However,
   the `layout.tsx` file that imports it is safe to modify when customizing your
   folder structure. See [Customizing Admin Panel
-  Location](../admin/customizing-location) for details.
+  Location](../admin/admin-panel-location) for details.
 </Banner>
 
 #### Overriding Import Map Location