Update content/en/docs/tutorials/kubernetes-basics/expose/expose-intro.html

Co-authored-by: Nate W <[email protected]>

Author: fyu17

content/en/docs/tutorials/kubernetes-basics/expose/expose-intro.html

@@ -113,7 +113,7 @@ <h3>Create a new Service</h3>
 				<code><b>echo "NODE_PORT=$NODE_PORT"</b></code></p>
 				<p>Now we can test that the app is exposed outside of the cluster using <code>curl</code>, the IP address of the Node and the externally exposed port:</p>
 				<p><code><b>curl http://"$(minikube ip):$NODE_PORT"</b></code></p>
-        {{< note >}}<p>If Docker is the container runtime, minikube tunnel is needed. This is because Docker Desktop does not support ports. <br>
+        {{< note >}}<p>If Docker is the container runtime, a minikube tunnel is needed. This is because Docker Desktop does not support ports. <br>
 				<p>In a separate terminal window, execute:<br>
 				<code><b>$ minikube service kubernetes-bootcamp --url</b></code></p>
 				<p>The output looks like this: