@@ -67,7 +67,7 @@ variables.

 ## Configuration files

 By default, the Docker command line stores its configuration files in a

-directory called `.docker` within your `HOME` directory. However, you can

+directory called `.docker` within your `$HOME` directory. However, you can

 specify a different location via the `DOCKER_CONFIG` environment variable

 or the `--config` command line option. If both are specified, then the

 `--config` option overrides the `DOCKER_CONFIG` environment variable.

@@ -57,7 +57,7 @@ you can download them from:

 ### Usage

-You need to speficy the credentials store in `HOME/.docker/config.json`

+You need to speficy the credentials store in `$HOME/.docker/config.json`

 to tell the docker engine to use it:

 ```json

@@ -7,7 +7,7 @@ HOME/.docker/config.json - Default Docker configuration file

 # INTRODUCTION

 By default, the Docker command line stores its configuration files in a

-directory called `.docker` within your `HOME` directory.  Docker manages most of

+directory called `.docker` within your `$HOME` directory.  Docker manages most of

 the files in the configuration directory and you should not modify them.

 However, you *can modify* the `config.json` file to control certain aspects of

 how the `docker` command behaves.