diff --git a/doc/descriptions/plustek.desc b/doc/descriptions/plustek.desc
index d58314dbc..8527947a7 100644
--- a/doc/descriptions/plustek.desc
+++ b/doc/descriptions/plustek.desc
@@ -178,3 +178,8 @@
 :interface "USB"
 :status :complete
 
+:model "CanoScan D660U"
+:interface "USB"
+:status :basic
+:comment "Binary and gray mode not working"
+