diff --git a/envoy/extensions/filters/network/tcp_proxy/v3/tcp_proxy.proto b/envoy/extensions/filters/network/tcp_proxy/v3/tcp_proxy.proto
index b0f7602a..3eaad1a2 100644
--- a/envoy/extensions/filters/network/tcp_proxy/v3/tcp_proxy.proto
+++ b/envoy/extensions/filters/network/tcp_proxy/v3/tcp_proxy.proto
@@ -175,9 +175,9 @@ message TcpProxy {
   // :ref:`TcpProxy.weighted_clusters <envoy_v3_api_field_extensions.filters.network.tcp_proxy.v3.TcpProxy.weighted_clusters>`.
   OnDemand on_demand = 14;
 
-  // Optional endpoint metadata match criteria. Only endpoints in the upstream
-  // cluster with metadata matching that set in metadata_match will be
-  // considered. The filter name should be specified as ``envoy.lb``.
+  // Optional endpoint metadata match criteria used by the subset load balancer. Only endpoints
+  // in the upstream cluster with metadata matching what is set in this field will be considered
+  // for load balancing. The filter name should be specified as ``envoy.lb``.
   config.core.v3.Metadata metadata_match = 9;
 
   // The idle timeout for connections managed by the TCP proxy filter. The idle timeout