diff --git a/plugin/metrics/README.md b/plugin/metrics/README.md
index dc57c3bac..d8b24c9e8 100644
--- a/plugin/metrics/README.md
+++ b/plugin/metrics/README.md
@@ -15,7 +15,7 @@ the following metrics are exported:
 * `coredns_build_info{version, revision, goversion}` - info about CoreDNS itself.
 * `coredns_panics_total{}` - total number of panics.
 * `coredns_dns_requests_total{server, zone, view, proto, family, type}` - total query count.
-* `coredns_dns_request_duration_seconds{server, zone, view, type}` - duration to process each query.
+* `coredns_dns_request_duration_seconds{server, zone, view}` - duration to process each query.
 * `coredns_dns_request_size_bytes{server, zone, view, proto}` - size of the request in bytes. Uses the original size before any plugin rewrites.
 * `coredns_dns_do_requests_total{server, view, zone}` -  queries that have the DO bit set
 * `coredns_dns_response_size_bytes{server, zone, view, proto}` - response size in bytes.