diff -upr unbound-1.5.7.orig/doc/example.conf.in unbound-1.5.7/doc/example.conf.in
--- unbound-1.5.7.orig/doc/example.conf.in	2015-12-10 08:59:18.000000000 +0100
+++ unbound-1.5.7/doc/example.conf.in	2015-12-11 23:12:55.910074485 +0100
@@ -243,7 +243,7 @@ server:
 
 	# file to read root hints from.
 	# get one from https://www.internic.net/domain/named.cache
-	# root-hints: ""
+	root-hints: /etc/unbound/root.hints
 
 	# enable to not answer id.server and hostname.bind queries.
 	# hide-identity: no
@@ -367,7 +367,7 @@ server:
 	# you start unbound (i.e. in the system boot scripts).  And enable:
 	# Please note usage of unbound-anchor root anchor is at your own risk
 	# and under the terms of our LICENSE (see that file in the source).
-	# auto-trust-anchor-file: "@UNBOUND_ROOTKEY_FILE@"
+	# auto-trust-anchor-file: ""
 
 	# File with DLV trusted keys. Same format as trust-anchor-file.
 	# There can be only one DLV configured, it is trusted from root down.
@@ -378,7 +378,7 @@ server:
 	# with several entries, one file per entry.
 	# Zone file format, with DS and DNSKEY entries.
 	# Note this gets out of date, use auto-trust-anchor-file please.
-	# trust-anchor-file: ""
+	trust-anchor-file: "@UNBOUND_ROOTKEY_FILE@"
 
 	# Trusted key for validation. DS or DNSKEY. specify the RR on a
 	# single line, surrounded by "". TTL is ignored. class is IN default.