Fixes typo in `all.yml` file name

docs/getting-started-guides/fedora/fedora_ansible_config.md

@@ -98,7 +98,7 @@ kube-node-02.example.com
 
 ## Setting up ansible access to your nodes
 
-If you already are running on a machine which has passwordless ssh access to the kube-master and kube-node-{01,02} nodes, and 'sudo' privileges, simply set the value of `ansible_ssh_user` in `~/contrib/ansible/group_vars/all.yaml` to the username which you use to ssh to the nodes (i.e. `fedora`), and proceed to the next step...
+If you already are running on a machine which has passwordless ssh access to the kube-master and kube-node-{01,02} nodes, and 'sudo' privileges, simply set the value of `ansible_ssh_user` in `~/contrib/ansible/group_vars/all.yml` to the username which you use to ssh to the nodes (i.e. `fedora`), and proceed to the next step...
 
 *Otherwise* setup ssh on the machines like so (you will need to know the root password to all machines in the cluster).