diff --git a/test/instrumentation/documentation/main.go b/test/instrumentation/documentation/main.go
index bcbbfe0ddc1..db314f13f05 100755
--- a/test/instrumentation/documentation/main.go
+++ b/test/instrumentation/documentation/main.go
@@ -44,7 +44,7 @@ const (
 	templ = `---
 title: Kubernetes Metrics Reference
 content_type: reference
-auto-generated: true
+auto_generated: true
 description: >-
   Details of the metric data that Kubernetes components export.
 ---