Update README.md

README.md

@@ -12,18 +12,18 @@ covers all the basics you'll need for this workshop, including:
 - and more
 
 ## The Workshop
-Use [the provided slides](https://github.com/Fewbytes/rubber-docker/tree/master/slides) while advancing through the levels, adding more features to your container.
-Remember to go over each level's readme, and if things get rough -
+Use [the provided slides](https://github.com/Fewbytes/rubber-docker/tree/master/slides) while advancing through the levels and adding more features to your container.
+Remember to go over each level's readme, and if things get rough,
 you can always find the solution for level N in the level N+1 skeleton.
 
 ## The linux python module
 Not all the necessary system calls are exposed in python's standard library.
 In addition, we want to preserve the semantics of the system calls and use them as if we were writing C.
-We therefore wrote a python module called *linux* (take a look at [linux.c](linux.c)) which exposes the relevant system calls. 
+Therefore, we wrote a python module called *linux* (take a look at [linux.c](linux.c)) which exposes the relevant system calls. 
 Have a look at the [module documentation](https://rawgit.com/Fewbytes/rubber-docker/master/docs/linux/index.html) for more info.
 
 ## Quickstart
-There are currently 3 options to start the workshop by yourself:
+Currently there are 3 options to start the workshop by yourself:
  1. We created a public AMI with the required configuration and utilities
     already installed: ami-07f8ee67 (us-west-1).
  1. We provide a [packer template](https://www.packer.io/) so you can create