docs(examples): fix typo

Author: sagarc03

examples/kustomization_user_deploy/README.md

@@ -53,7 +53,7 @@ For a full demo see the [multiple-namespaces](multiple-namespaces/) example.
 
 ### Using Letsencrypt with cert-manager
 
-You can use letsencrypt issuer to issue tls certificate see [example](https://doc.traefik.io/traefik/user-guides/cert-manager/). You need to create a issuer type of `ClusterIssuer` to make is alvailble in all namespaces, unlike in the example. Also note that the `server` in the example is a stagging server, you would need a prod server to use in, well, production. The prod server link can be found at `https://letsencrypt.org/getting-started/`
+You can use letsencrypt issuer to issue tls certificate see [example](https://doc.traefik.io/traefik/user-guides/cert-manager/). You need to create a issuer type of `ClusterIssuer` to make is available in all namespaces, unlike in the traefik example. Also note that the `server` in the example is a stagging server, you would need a prod server to use in, well, production. The prod server link can be found at `https://letsencrypt.org/getting-started/`
 
 For a full demo see the [letsencrypt](letsencrypt/)