Merge pull request kubernetes-retired#1097 from whereisaaron/patch-5

Update documentation that hostPort issue fixed since Kubernetes 1.7.0

docs/troubleshooting/known-limitations.md

@@ -1,6 +1,6 @@
 # Known Limitations
 
-## hostPort doesn't work
+## hostPort doesn't work before Kubernetes 1.7.0
 
 This is a known issue with Kubernetes while using CNI with no available workaround for kube-aws. `hostPort` does not work if `hostNetwork: false`.
 
@@ -14,8 +14,10 @@ spec:
      name: nginx-ingress-lb
 ```
 
+This is fixed in Kubernetes 1.7.0 and later.
+
 Relevant kube-aws issue: [does hostPort not work on kube-aws/CoreOS?](https://github.com/kubernetes-incubator/kube-aws/issues/91)
 
 See [the related upstream issue](https://github.com/kubernetes/kubernetes/issues/23920#issuecomment-254918942) for more information.
 
-This limitation is also documented in [the official Kubernetes doc](http://kubernetes.io/docs/admin/network-plugins/#cni).
+This limitation is also documented in [the official Kubernetes doc](http://kubernetes.io/docs/admin/network-plugins/#cni).