diff --git a/envoy/config/bootstrap/v3/bootstrap.proto b/envoy/config/bootstrap/v3/bootstrap.proto
index 9404b798..b179d3f4 100644
--- a/envoy/config/bootstrap/v3/bootstrap.proto
+++ b/envoy/config/bootstrap/v3/bootstrap.proto
@@ -35,7 +35,7 @@ option (udpa.annotations.file_status).package_version_status = ACTIVE;
 
 // [#protodoc-title: Bootstrap]
 // This proto is supplied via the :option:`-c` CLI flag and acts as the root
-// of the Envoy v2 configuration. See the :ref:`v2 configuration overview
+// of the Envoy v3 configuration. See the :ref:`v3 configuration overview
 // <config_overview_bootstrap>` for more detail.
 
 // Bootstrap :ref:`configuration overview <config_overview_bootstrap>`.
diff --git a/envoy/config/bootstrap/v4alpha/bootstrap.proto b/envoy/config/bootstrap/v4alpha/bootstrap.proto
index 78fc749f..a6ec388d 100644
--- a/envoy/config/bootstrap/v4alpha/bootstrap.proto
+++ b/envoy/config/bootstrap/v4alpha/bootstrap.proto
@@ -32,7 +32,7 @@ option (udpa.annotations.file_status).package_version_status = NEXT_MAJOR_VERSIO
 
 // [#protodoc-title: Bootstrap]
 // This proto is supplied via the :option:`-c` CLI flag and acts as the root
-// of the Envoy v2 configuration. See the :ref:`v2 configuration overview
+// of the Envoy v3 configuration. See the :ref:`v3 configuration overview
 // <config_overview_bootstrap>` for more detail.
 
 // Bootstrap :ref:`configuration overview <config_overview_bootstrap>`.