diff --git a/config/vufind/config.ini b/config/vufind/config.ini
index b596bd1eff7f178a3f870cabd551634b90fd3cee..a7cc4efe9abe2b6aa9de864722ec51c5e1eab3a0 100644
--- a/config/vufind/config.ini
+++ b/config/vufind/config.ini
@@ -799,7 +799,8 @@ url             = https://www.myendnoteweb.com/EndNoteWeb.html
 ; Default HTTP settings can be loaded here. These values will be passed to
 ; the \Zend\Http\Client's setOptions method.
 [Http]
-;sslcapath = "/etc/ssl/certs"
+;sslcapath = "/etc/ssl/certs" ; e.g. for Debian systems
+;sslcafile = "/etc/pki/tls/cert.pem" ; e.g. for CentOS systems
 
 ; Using a curl Adapter instead of the the defaultAdapter (Socket)
 ; adapter = 'Zend\Http\Client\Adapter\Curl'