Some rework on the QNAP page

docs/home/guides/qnap.md

@@ -2,7 +2,14 @@
 
 This is a quick walkthrough of setting up the Plex-Meta-Manager Docker container in the QNAP "Container Station" UI.
 
-Steps.
+The "Container Station" UI on your QNAP may differ from these screenshots, but the concepts are the same:
+
+1. Create a container based on the `meisnate12/plex-meta-manager` image.
+2. Set environment variables to control the container's behavior [optional].
+3. Point the container to the directory where your configuration files are to be stored.
+
+Detailed steaps:
+
 1. Open Container Station; click "Create" in the left column.
 
 
@@ -30,11 +37,15 @@ Steps.
 
 2. Change the container name if you wish.
 
-   Command line arguments can be entered in the "Entrypoint" field after `/tini -s python3 plex_meta_manager.py --`  IMPORTANT: DO NOT REMOVE ANY ELEMENT OF THAT COMMAND.
+   Command line arguments can be entered in the "Entrypoint" field after `/tini -s python3 plex_meta_manager.py --`  
+
+   IMPORTANT: **DO NOT REMOVE** ANY ELEMENT OF THAT TEXT.  DO NOT ENTER ANYTHING INTO THE "Command" FIELD.
 
-   For example: `/tini -s python3 plex_meta_manager.py -- --run`
+   For example, you could enter the following into the "Entrypoint" field to make PMM run immediately when the container starts up: `/tini -s python3 plex_meta_manager.py -- --run`
 
-   Information on available command line argument can be found [here](../environmental)
+   Typically, in a Docker environment, this sort of thing is done via Environment Variables [the next step here].  Editing the "Entrypoint" is not recommended, as it's easy to render the container non-functional if you are not sure what you're doing.
+
+   Information on available command line arguments can be found [here](../environmental)
 
    Click "Advanced Settings >>"
 
@@ -44,6 +55,10 @@ Steps.
 
 3. Environment Variables can be added here:
 
+   Anything you can do via command-line arguments can be done with Environment Variables, which is more typical in Docker environments.
+
+   For example, you could add an environment variable named `PMM_RUN` with a value of `True` to make PMM run immediately when the container starts up.
+
    Information on available Environment Variables can be found [here](../environmental)
 
 
@@ -55,6 +70,7 @@ Steps.
    Click "Add" in the middle section "Volume from host".
 
    "Volume from host" is the location on your QNAP where you want to store the config files.
+
    "Mount Point" must be `/config`
 
    When finished, click "Create".