Punctuation consistency

Author: yrro

Diff for: modules/machineset-yaml-aws.adoc

@@ -7,7 +7,7 @@
 [id="machineset-yaml-aws_{context}"]
 =  Sample YAML for a machine set custom resource on AWS
 
-This sample YAML defines a machine set that runs in the `us-east-1a` Amazon Web Services (AWS) zone and creates nodes that are labeled with `node-role.kubernetes.io/<role>: ""`
+This sample YAML defines a machine set that runs in the `us-east-1a` Amazon Web Services (AWS) zone and creates nodes that are labeled with `node-role.kubernetes.io/<role>: ""`.
 
 In this sample, `<infrastructureID>` is the infrastructure ID label that is based on the cluster ID that you set when you provisioned the cluster, and `<role>` is the node label to add.