Clarify the description of the dockerfile option.
@@ -128,5 +128,5 @@ These parameters are available in addition to the ones in the `dev` section abov
| -------- | ----------- | ------- |
| container | If set to `true`, run the server in the container specified by the `dockerfile` parameter. Setting this to `true` is equivalent to using the `devc` goal. The default value is `false` when the `dev` goal is used, and `true` when the `devc` goal is used. | No |
| dockerRunOpts | Specifies options to add to the `docker run` command when using dev mode to launch your server in a container. For example, `-e key=value` is recognized by `docker run` to define an environment variable with the name `key` and value `value`. | No |
-| dockerfile | Location of a Dockerfile to be used by dev mode to build the container that runs your server and to specify the context used to build the container image. The default value is `Dockerfile`. | No |
+| dockerfile | Location of a Dockerfile to be used by dev mode to build the Docker image for the container that will run your Liberty server. The directory containing the Dockerfile will also be the context for the `docker build`. The default value is `Dockerfile`. | No |
| dockerBuildTimeout | Maximum time to wait (in seconds) for the completion of the Docker operation to build the image. The value must be an integer greater than 0. The default value is `60` seconds. | No |
