diff --git a/test/e2e/e2e_test.go b/test/e2e/e2e_test.go
index 36faf6bd..750296cb 100644
--- a/test/e2e/e2e_test.go
+++ b/test/e2e/e2e_test.go
@@ -25,6 +25,8 @@ const (
 )
 
 var (
+	// See the below link for maintained versions of cert-manager
+	// https://cert-manager.io/docs/installation/supported-releases/
 	certManagerVersion = "v1.8.2"
 
 	images = []testing.ContainerImage{