diff --git a/docs/serving/using-auto-tls.md b/docs/serving/using-auto-tls.md
index 9881300bf..63cf8f87d 100644
--- a/docs/serving/using-auto-tls.md
+++ b/docs/serving/using-auto-tls.md
@@ -22,7 +22,7 @@ Knative supports the following Auto TLS modes:
       - This is the recommended mode for faster certificate provision.
       - In this mode, a single Certificate will be provisioned per namespace and is reused across the Knative Services within the same namespace.
 
-    - **Provision Certificate per namespace is supported when using DNS-01 challenge mode.**
+    - **Provision Certificate per Knative Service is supported when using DNS-01 challenge mode.**
       - This is the recommended mode for better certificate islation between Knative Services.
       - In this mode, a Certificate will be provisioned for each Knative Service.
       - The TLS effective time is longer as it needs Certificate provision for each Knative Service creation.