diff --git a/mmv1/third_party/terraform/website/docs/guides/version_5_upgrade.html.markdown b/mmv1/third_party/terraform/website/docs/guides/version_5_upgrade.html.markdown
index ed27d4175f40..d3fb8647f90c 100644
--- a/mmv1/third_party/terraform/website/docs/guides/version_5_upgrade.html.markdown
+++ b/mmv1/third_party/terraform/website/docs/guides/version_5_upgrade.html.markdown
@@ -279,6 +279,15 @@ This unsupported field was introduced incorrectly. It is now removed.
 
 ## Resource: `google_container_cluster`
 
+### Clusters created in error states are now tainted rather than deleted
+
+GKE clusters that are created but do not become healthy will now be recorded in
+state and marked as tainted for cleanup on next apply rather than immediately
+deleted.
+
+This behavior was changed to allow users to collect internal logs from the
+cluster and/or manually resolve the issues and untaint their failed clusters.
+
 ### `enable_binary_authorization` is now removed
 
 `enable_binary_authorization` has been removed in favor of `binary_authorization.enabled`.
@@ -515,4 +524,4 @@ resource "google_secret_manager_secret" "my-secret" {
 
 ### `google_identity_platform_project_default_config` has been removed from the provider
 
-Use the `google_identity_platform_config` resource instead. It contains a more comprehensive list of fields, and was created before `google_identity_platform_project_default_config` was added.
\ No newline at end of file
+Use the `google_identity_platform_config` resource instead. It contains a more comprehensive list of fields, and was created before `google_identity_platform_project_default_config` was added.