diff --git a/docker-build/unbound-v1.13.1_pihole.conf b/docker-build/unbound-v1.13.1_pihole.conf
index 7573597..e1fe9d6 100644
--- a/docker-build/unbound-v1.13.1_pihole.conf
+++ b/docker-build/unbound-v1.13.1_pihole.conf
@@ -102,6 +102,10 @@ server:
     access-control: 172.16.0.0/12 allow
     access-control: 10.0.0.0/8 allow
 
+    # Enable chroot (i.e, change apparent root directory for the current
+    # running process and its children)
+    #chroot: "/etc/unbound"
+
     # Deny queries of type ANY with an empty response.
     deny-any: yes
 
@@ -140,6 +144,11 @@ server:
     # Refuse version.server and version.bind queries
     hide-version: yes
 
+    # Set the HTTP User-Agent header for outgoing HTTP requests. If
+    # set to "", the default, then the package name and version are
+    # used.
+    #http-user-agent: "DNS"
+
     # Report this identity rather than the hostname of the server.
     identity: "DNS"