diff --git a/source/reference/files/ood-portal-yml.rst b/source/reference/files/ood-portal-yml.rst
index 0180a2a5d..6b29157fe 100644
--- a/source/reference/files/ood-portal-yml.rst
+++ b/source/reference/files/ood-portal-yml.rst
@@ -73,7 +73,8 @@ Configure General Options
 
         .. code-block:: yaml
 
-          servername: "class.my-cool-site.example.edu"
+          server_aliases: 
+             - "class.my-cool-site.example.edu"
 
 .. describe:: proxy_server (String, null)
 
@@ -1262,4 +1263,4 @@ to ``null`` will disable this feature.
           dex: false
 
 .. _auth_openidc.conf: https://github.com/zmartzone/mod_auth_openidc/blob/master/auth_openidc.conf
-.. _documentation on lua patterns: https://www.lua.org/manual/5.1/manual.html#5.4.1
\ No newline at end of file
+.. _documentation on lua patterns: https://www.lua.org/manual/5.1/manual.html#5.4.1