docker: minimal changes to the documentation

docker/Dockerfile

@@ -1,6 +1,6 @@
 # Etherpad Lite Dockerfile
 #
-# https://github.com/ether/etherpad-docker
+# https://github.com/ether/etherpad-lite
 #
 # Author: muxator
 #

docker/README.md

@@ -1,6 +1,6 @@
-# Docker image
+# Docker
 
-This directory contains the files that are used to build the official Docker image on https://hub.docker.com/r/etherpad/etherpad.
+The official Docker image is available on https://hub.docker.com/r/etherpad/etherpad.
 
 # Downloading from Docker Hub
 If you are ok downloading a [prebuilt image from Docker Hub](https://hub.docker.com/r/etherpad/etherpad), these are the commands:
@@ -9,7 +9,7 @@ If you are ok downloading a [prebuilt image from Docker Hub](https://hub.docker.
 docker pull etherpad/etherpad
 
 # gets a specific version
-docker pull etherpad/etherpad:1.7.5
+docker pull etherpad/etherpad:1.8.0
 ```
 
 # Build a personalized container
@@ -74,6 +74,7 @@ And point your browser to `http://<YOUR_IP>:<DESIRED_PORT>`
 The `settings.json` available by default enables some configuration to be set from the environment.
 
 Available options:
+
 * `TITLE`: The name of the instance
 * `FAVICON`: favicon default name, or a fully specified URL to your own favicon
 * `SKIN_NAME`: either `no-skin`, `colibris` or an existing directory under `src/static/skins`.

docker/settings.json

@@ -1,3 +1,12 @@
+/**
+ * THIS IS THE SETTINGS FILE THAT IS COPIED INSIDE THE DOCKER CONTAINER.
+ *
+ * By default, some runtime customizations are supported (see the
+ * documentation).
+ *
+ * If you need more control, edit this file and rebuild the container.
+ */
+
 /*
  * This file must be valid JSON. But comments are allowed
  *