docs: wording, link to handbook entry, formatting

docs/operators/tutorial.md

@@ -60,6 +60,7 @@ groupadd docker
 # add user to docker group
 sudo usermod -aG docker $USER
 ```
+
 After running `usermod`, you may need to (depending on your system) log out (`exit`) and back in again (`ssh <server-domain>`) to get the required permissions for Docker before proceeding.
 
 The [official Docker documentation](https://docs.docker.com/engine/install/linux-postinstall/) can help if you run into further issues.
@@ -85,8 +86,7 @@ Where `116.203.211.204` can be replaced with the IP address of your server.
 
 ### Install `abra`
 
-Now we can install [`abra`](/abra) locally on your machine and hook it up to
-your server. We support a script-based installation method ([script source](https://git.coopcloud.tech/toolshed/abra/src/branch/main/scripts/installer/installer)):
+Now we can install [`abra`](/abra) locally on your machine and hook it up to your server. We support a script-based installation method ([script source](https://git.coopcloud.tech/toolshed/abra/src/branch/main/scripts/installer/installer)):
 
 ```bash
 curl https://install.abra.coopcloud.tech | bash
@@ -110,7 +110,7 @@ you have immediate access to `abra` on the current terminal.
 export PATH=$PATH:$HOME/.local/bin
 ```
 
-If you run into issues during installation, [please report a ticket](https://git.coopcloud.tech/toolshed/organising/issues/new) :pray:
+If you run into issues during installation, [please report a ticket](https://git.coopcloud.tech/toolshed/abra/issues/new) :pray:
 
 ??? question "Can I install `abra` on my server?"
 
@@ -124,7 +124,7 @@ With autocomplete enabled, you can run a command like `abra app deploy myapp.exa
 
 ### Add your server
 
-Now you can connect `abra` with your server. You must have a working SSH configuration for your server before you can proceed. That means you can run `ssh <server-domain>` on your command-line and everything Works :tm:. See the [`abra` SSH troubleshooting](/abra/trouble/#ssh-connection-issues) for a working SSH configuration example.
+Now you can connect `abra` with your server. You must have a working SSH configuration for your server before you can proceed. That means you can run `ssh <server-domain>` on your command-line and everything Works :tm:. See the [`abra` SSH troubleshooting](/abra/trouble/#ssh-connection-issues) for a working SSH configuration example or use `abra server add -h` for the help output.
 
 ??? warning "Beware of SSH dragons :dragon_face:"
 
@@ -146,13 +146,13 @@ It is important to note that `<server-domain>` here is a publicly accessible dom
 
 ??? warning "Can I use arbitrary server names?"
 
-    Yes, this is possible. You need to pass `-D` to `server add` and ensure
-    that your `Host ...` entry in your SSH configuration includes the name.
-    So, for example, in `~/.ssh/config`:
+    Yes, this is possible. You need to ensure that your `Host ...` entry in your SSH configuration includes the name.  So, for example, in `~/.ssh/config`:
+
     ```
       Host example.com example
         ...
     ```
+
     And then:
 
       abra server add example
@@ -167,8 +167,9 @@ abra server ls
 
 ??? question "How do I share my configs in `~/.abra`?"
 
-    It's possible and quite easy, for more see [this handbook
+    It's possible and relatively easy, for more see [this handbook
     entry](/operators/handbook/#understanding-app-and-server-configuration).
+    [Git](https://git-scm.com) skills are generally required.
 
 ### Web proxy setup
 
@@ -182,7 +183,9 @@ You need to keep port `:80` and `:443` free on your server for web proxying to y
 
 ??? question "Do you support multiple web proxies?"
 
-    We do not know if it is feasible and convenient to set things up on an existing server with another web proxy which uses ports `:80` & `:443`. We'd happily receive reports and documentation on how to do this if you manage to set it up!
+   Yes, this is possible. See [this handbook
+   entry](/operators/handbook/#proxying-apps-outside-of-co-op-cloud-with-traefik)
+   for more. Be warned, this is a relatively advanced topic.
 
 **1. To get started, you'll need to create a new app:**