Fix typos

README.md

 # Lab: Configuration Management - Ansible
 
-Lab template for a CM/deployment exercise with Ansible and AWS. Originally
-written by Marcel Graf (HEIG-VD).
+Lab template for a CM/deployment exercise with Ansible and ngonx on any
+Cloud. Originally written by Marcel Graf (HEIG-VD).
 
 ## Pedagogical objectives ##
 
@@ -67,8 +67,8 @@ lcl$  ssh -i <your-private-key> ubuntu@<VM-DNS-name-or-IP-address>
 
 **Goal:** intruct Ansible about the machines (hosts) it shall manage.
 
-Create a "sandbox" directory on your local machine f.i. `~/ansible/`, and
-create a file called `hosts.yml` which will serve as the *inventory* file
+Create a "sandbox" directory on your local machine `~/ansible/`. Inside
+it, create a file called `hosts.yml` which will serve as the *inventory* file
 (a.k.a. hostfile; it can also be written in `.ini` style), and add the
 following: