diff --git a/_proto/hapi/chart/metadata.proto b/_proto/hapi/chart/metadata.proto
index 0ac695ce2..7a6b6f893 100644
--- a/_proto/hapi/chart/metadata.proto
+++ b/_proto/hapi/chart/metadata.proto
@@ -32,7 +32,7 @@ message Maintainer {
 
 //	Metadata for a Chart file. This models the structure of a Chart.yaml file.
 //
-// 	Spec: https://k8s.io/helm/blob/master/docs/design/chart_format.md#the-chart-file
+// 	Spec: https://helm.sh/docs/developing_charts/#the-chart-yaml-file
 message Metadata {
 	enum Engine {
 		UNKNOWN = 0;