Fix more typos in the insecure key documentation

Author: FooBarWidget

README.md

@@ -325,7 +325,7 @@ The following example shows how you can add a startup script. This script simply
 
 You can use SSH to login to any container that is based on passenger-docker-docker.
 
-The first thing that you need to do is to ensure that you have the right SSH keys installed inside the container. By default, no keys are installed, so you can't login. For convenience reasons, we provide [a pregenerated, insecure key](https://github.com/phusion/baseimage-docker/blob/master/image/insecure_key) that you easily enable. However, please be aware that using this key is for convenience only. It does not provide any security because this key (both the public and the private side) are publicly available. In production environments, you should use your own keys.
+The first thing that you need to do is to ensure that you have the right SSH keys installed inside the container. By default, no keys are installed, so you can't login. For convenience reasons, we provide [a pregenerated, insecure key](https://github.com/phusion/baseimage-docker/blob/master/image/insecure_key) that you easily enable. However, please be aware that using this key is for convenience only. It does not provide any security because this key (both the public and the private side) is publicly available. In production environments, you should use your own keys.
 
 Edit your Dockerfile to install an SSH key: