diff --git a/Kobo-Integration.md b/Kobo-Integration.md
index d5196ed..6e63d8f 100644
--- a/Kobo-Integration.md
+++ b/Kobo-Integration.md
@@ -21,6 +21,8 @@ The **Kobo eReader.conf** file found under the **.kobo/Kobo** directory on Kobo
 
 Users can generate a URL to sync with Calibre-Web instead by clicking the **Create/View** button under their Calibre-Web profile page.
 
+_Note: there is a checkbox for setting the sync to only use a specific shelf, it is unclear how this works._
+
 ### Store purchases
 If you want to maintain access to the official Kobo store on the device, you can set the **Proxy unknown requests to Kobo Store** checkbox. When syncing, we will try to sync against both the official Kobo Store as well as Calibre-Web's library.