diff --git a/config/vufind/config.ini b/config/vufind/config.ini
index e747e8b111d5fe88afcf6ccd0f6fab98c28e649b..8f154b41f38468ecb70fa94c852f21f1dded5b6b 100644
--- a/config/vufind/config.ini
+++ b/config/vufind/config.ini
@@ -214,6 +214,7 @@ session_name = VUFIND_SESSION
 ;   - DAIA (using either XML or JSON API)
 ;   - Demo (fake ILS driver returning complex responses)
 ;   - Evergreen
+;   - Folio
 ;   - Horizon (basic database access only)
 ;   - HorizonXMLAPI (more features via API)
 ;   - Innovative (for INNOPAC; see also Sierra/SierraRest)