diff --git a/config/vufind/config.ini b/config/vufind/config.ini
index 8022387f00d8ce2d067202ede9f61aea7713ea99..f067db36464a59db50475daa74259b0ba90dce18 100644
--- a/config/vufind/config.ini
+++ b/config/vufind/config.ini
@@ -939,9 +939,9 @@ related[] = "Editions"
 
 ; This setting controls which citations are available; set to true for all supported
 ; options (default); set to false to disable citations; set to a comma-separated list
-; to activate only selected formats (available options: APA, MLA). The
+; to activate only selected formats (available options: APA, Chicago, MLA). The
 ; comma-separated list option may also be used to customize citation display order.
-;citation_formats = APA,MLA
+;citation_formats = APA,Chicago,MLA
 
 ; The following two sections control the Alphabetic Browse module.
 [AlphaBrowse]