Reduce heading levels by 1.

docs/tutorials/stateless-application/expose-external-ip-address-service.md

@@ -29,7 +29,7 @@ provides load balancing for an application that has two running instances.
 
 {% capture lessoncontent %}
 
-### Creating a service for an application running in two pods
+## Creating a service for an application running in two pods
 
 1. Run a Hello World application in your cluster:
 
@@ -111,7 +111,7 @@ provides load balancing for an application that has two running instances.
 
         Hello Kubernetes!
 
-### Using a service configuration file
+## Using a service configuration file
 
 As an alternative to using `kubectl expose`, you can use a
 [service configuration file](/docs/user-guide/services/operations)

docs/tutorials/stateless-application/expose-external-ip-address.md

@@ -36,7 +36,7 @@ external IP address.
 
 {% capture lessoncontent %}
 
-### Creating a service for an application running in five pods
+## Creating a service for an application running in five pods
 
 1. Run a Hello World application in your cluster:
 

docs/tutorials/stateless-application/hello-minikube.md

@@ -38,7 +38,7 @@ driver.
 
 {% capture lessoncontent %}
 
-### Create a Minikube cluster
+## Create a Minikube cluster
 
 This tutorial uses [Minikube](https://github.com/kubernetes/minikube) to
 create a local cluster. This tutorial also assumes you are using
@@ -94,7 +94,7 @@ Verify that `kubectl` is configured to communicate with your cluster:
 kubectl cluster-info
 ```
 
-### Create your Node.js application
+## Create your Node.js application
 
 The next step is to write the application. Save this code in a folder named `hellonode`
 with the filename `server.js`:
@@ -113,7 +113,7 @@ Stop the running Node.js server by pressing **Ctrl-C**.
 
 The next step is to package your application in a Docker container.
 
-### Create a Docker container image
+## Create a Docker container image
 
 Create a file, also in the `hellonode` folder, named `Dockerfile`. A Dockerfile describes
 the image that you want to build. You can build a Docker container image by extending an
@@ -145,7 +145,7 @@ docker build -t hello-node:v1 .
 
 Now the Minikube VM can run the image you built.
 
-### Create a Deployment
+## Create a Deployment
 
 A Kubernetes [*Pod*](/docs/user-guide/pods/) is a group of one or more Containers,
 tied together for the purposes of administration and networking. The Pod in this
@@ -206,7 +206,7 @@ kubectl config view
 For more information about `kubectl`commands, see the
 [kubectl overview](/docs/user-guide/kubectl-overview/).
 
-### Create a Service
+## Create a Service
 
 By default, the Pod is only accessible by its internal IP address within the
 Kubernetes cluster. To make the `hello-node` Container accessible from outside the
@@ -254,7 +254,7 @@ you should now be able to see some logs:
 kubectl logs <POD-NAME>
 ```
 
-### Update your app
+## Update your app
 
 Edit your `server.js` file to return a new message:
 
@@ -281,7 +281,7 @@ Run your app again to view the new message:
 minikube service hello-node
 ```
 
-### Clean up
+## Clean up
 
 Now you can clean up the resources you created in your cluster:
 

docs/tutorials/stateless-application/run-stateless-application-deployment.md

@@ -27,7 +27,7 @@ This page shows how to run an application using a Kubernetes Deployment object.
 
 {% capture lessoncontent %}
 
-### Creating and exploring an nginx deployment
+## Creating and exploring an nginx deployment
 
 You can run an application by creating a Kubernetes Deployment object, and you
 can describe a Deployment in a YAML file. For example, this YAML file describes
@@ -72,7 +72,7 @@ a Deployment that runs the nginx:1.7.9 Docker image:
 
     where `<pod-name>` is the name of one of your pods.
 
-### Updating the deployment
+## Updating the deployment
 
 You can update the deployment by applying a new YAML file. This YAML file
 specifies that the deployment should be updated to use nginx 1.8.
@@ -87,7 +87,7 @@ specifies that the deployment should be updated to use nginx 1.8.
 
         kubectl get pods -l app=nginx
 
-### Scaling the application by increasing the replica count
+## Scaling the application by increasing the replica count
 
 You can increase the number of pods in your Deployment by applying a new YAML
 file. This YAML file sets `replicas` to 4, which specifies that the Deployment
@@ -111,7 +111,7 @@ should have four pods:
         nginx-deployment-148880595-fxcez   1/1       Running   0          2m
         nginx-deployment-148880595-rwovn   1/1       Running   0          2m
 
-### Deleting a deployment
+## Deleting a deployment
 
 Delete the deployment by name: