docs: Fix reference to ValidatorConfig documentation
Change-Id: I43d96c64d031ad318333de8613e589633e58b52e
refs: #4184
diff --git a/nfd.conf.sample.in b/nfd.conf.sample.in
index 7e4c940..f27c6ef 100644
--- a/nfd.conf.sample.in
+++ b/nfd.conf.sample.in
@@ -280,9 +280,9 @@
; {
; ; This section defines the trust model for NFD RIB Management. It consists of rules and
; ; trust-anchors, which are briefly defined in this file. For more information refer to
- ; ; manpage of ndn-validator.conf:
+ ; ; validator configuration file format documentation:
; ;
- ; ; man ndn-validator.conf
+ ; ; https://named-data.net/doc/ndn-cxx/current/tutorials/security-validator-config.html
; ;
; ; A trust-anchor is a pre-trusted certificate. This can be any certificate that is the
; ; root of certification chain (e.g., NDN testbed root certificate) or an existing