Updated instructions for BigCommerce.

protocols/webdav/bigcommerce.md

@@ -3,15 +3,26 @@ BigCommerce
 
 ## Connecting
 
+### Manual Configuration
 1. Obtain your WebDAV credentials and setup details from your BigCommerce control panel ([Server Settings → File Access (WebDAV)](http://login.bigcommerce.com/deep-links/settings/file-access)).
 2. Enter the following information in the [bookmark](../../cyberduck/bookmarks.md):
 	- **Protocol**: `WebDAV (HTTPS)`
-	- **Server**: Your WebDAV Path without `/dav`
+	- **Server**: The domain name of your WebDAV Path with the protocol scheme `https://` and path `/dav` removed.
 	- **Username**: Your WebDAV username
 	- **Password**: Your WebDAV password
 	- **Path**: `dav`
 
+### Connection Profile
+Go to [Settings → File access (WebDAV)](http://login.bigcommerce.com/deep-links/settings/file-access) and click _Download_ next to _Cyberduck Connection Profile_ file. Open the [connection profile](../../protocols/profiles/index.md) with Cyberduck to create a bookmark with pre-configured settings.
+
+## Interoperability
+
+:::{warning}
+Ensure that that filenames contain no whitespace.
+:::
+
 ## References
 
 - [File Access (WebDAV)](https://support.bigcommerce.com/s/article/File-Access-WebDAV)
-- [Connecting to WebDAV with Cyberduck](https://support.bigcommerce.com/s/article/File-Access-WebDAV#cyberduck)
+- [Connecting to WebDAV with Cyberduck](https://support.bigcommerce.com/s/article/File-Access-WebDAV#cyberduck)
+- [Uploading and Linking to a File in Your Store](https://support.bigcommerce.com/s/article/How-do-I-add-and-link-to-a-file-in-my-store?language=en_US)