Update README and comment

README.md

@@ -35,14 +35,20 @@ vim ./flake.nix
 
 4. **Ready** to go:
 ```
-nix develop
+nix develop -c $SHELL
 ```
 
 
 **Optional**:
 If you'd like to add **additional packages** to your new tritonshell, you
-can do so: just edit `flake.nix` and look for `extraDevshellPkgs`. Packages
+can do so: just edit `flake.nix` and look for `devshell.packages`. Packages
 added here will be pulled from the `nixos-unstable` channel, you can [search
 for available packages here](https://search.nixos.org/packages?channel=unstable&from=0&size=50&sort=relevance&type=packages&query=hello).
 
-TODO: add `nix-direnv`
+You can use `nix-direnv` with this template, [read here how to install it](https://github.com/nix-community/nix-direnv#installation).
+Then, just run:
+```
+direnv allow
+```
+in the newly created `./tritonshell` directory to automatically rebuild the
+flake upon changes to the `flake.nix` file.

template/flake.nix

@@ -27,7 +27,7 @@
           # Now the tritonshell environment nix module options are available
           environment = {
             enable = true;
-            # default options
+            # CUSTOMIZE if desired, default options are:
             #cnsBaseDomain = "greenbaum.zone";
             #dataCenters = [ "cgn-1" "lev-1" ];
             #mantaDomain = "eu-central.manta.greenbaum.cloud";