diff --git a/docker/README.md b/docker/README.md
index d7d67da..b2457f8 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -2,11 +2,11 @@
 # Hands-on Machine Learning in Docker
 
 This is the Docker configuration which allows you to run and tweak the book's notebooks without installing any dependencies on your machine!<br/>
-OK, any except `docker`. With `docker-compose`. Well, you may also want `make` (but it is only used as thin layer to call a few simple `docker-compose` commands).
+OK, any except `docker`. With `docker-compose`. Well, you may also want `make` (but it is only used as thin layer to call a few simple `docker-compose` commands, so it is optional).
 
 ## Prerequisites
 
-As stated, the two things you need is `docker` and `docker-compose`.
+As stated, the two things you need are `docker` and `docker-compose`.
 
 Follow the instructions on [Install Docker](https://docs.docker.com/engine/installation/) and [Install Docker Compose](https://docs.docker.com/compose/install/) for your environment if you haven't got `docker` already.