tab test

Author: iRaindrop

docs/snippets/netadapter-contour.md

@@ -1,7 +1,7 @@
 <!-- Referenced by:
 - install/yaml-install/serving/install-serving-with-yaml.md
 -->
-=== "Contour"
+    === "Contour"
 
     Use the following steps to install and enable Contour and set it as the ingress controller.
 

docs/snippets/netadapter-gatewayapi.md

@@ -1,7 +1,7 @@
 <!-- Referenced by:
 - install/yaml-install/serving/install-serving-with-yaml.md
 -->
-=== "Gateway API"
+    === "Gateway API"
 
     Use the following steps to install and configure the Knative Gateway API adapter.  Note that you need to have a [Gateway API implementation](https://gateway-api.sigs.k8s.io/implementations/) installed in your cluster.  The Knative team currently tests the Istio, Contour, and Envoy-Gateway implementations of Gateway API.
 

docs/snippets/netadapter-istio.md

@@ -1,7 +1,7 @@
 <!-- Referenced by:
 - install/yaml-install/serving/install-serving-with-yaml.md
 -->
-=== "Istio"
+    === "Istio"
 
     Use the following steps to install Istio and set it as the ingress controller.
 

docs/snippets/netadapter-kourier.md

@@ -1,7 +1,7 @@
 <!-- Referenced by:
 - install/yaml-install/serving/install-serving-with-yaml.md
 -->
-=== "Kourier"
+    === "Kourier"
 
     Use the following steps to install Kourier and set it as the ingress controller.