diff --git a/README.md b/README.md
index 5e5ba89..27889e9 100644
--- a/README.md
+++ b/README.md
@@ -21,11 +21,12 @@ Add to settings.json:
             "groupAttributeIsDN": true,
             "searchScope": "sub",
             "groupSearch": "(&(cn=admin)(objectClass=groupOfNames))",
-            "anonymousReadonly": false
+            "anonymousReadonly": false,
+            "tls_ca_file": "yourcacert.crt"
         }
     },
 
-Users who are in the matches group have *admin* access to
+Users who are in the matching group of "groupSearch" have *admin* access to
 etherpad-lite.
 
 ## Using with FreeIPA