Tweak README phrasing

README.md

@@ -6,22 +6,37 @@
 
 
 ## Installation
-Shellfox uses a native program in order to run commands; installing only the add-on isn’t enough. Currently, the native program has only been tested on GNU/Linux, though it is likely to work on BSDs, and potentially macOS.
+Shellfox has two components: A Firefox extension, and a native script that the extension uses to run commands.
+
+You can install the Firefox extension from [Firefox Add-ons (AMO)](https://addons.mozilla.org/en-US/firefox/addon/shellfox).
+
+The native script has only been tested on GNU/Linux, though it is likely to work on BSDs, and potentially macOS. It can be installed like so:
 
 First, download the repository: [shellfox.zip](https://hak.xwx.moe/jadedctrl/shellfox/archive/master.zip)
 
-Then, in the repository’s directory, open a terminal and run:
+Then, extract the repository’s ZIP file. Enter the unpacked `shellfox/` folder and, from a terminal, run:
 
 ```
 $ sudo make native-install
 ```
 
-After that, you can install the add-on; then, voilà!
+After that, make sure you have [the extension](https://addons.mozilla.org/en-US/firefox/addon/shellfox) installed; then, voilà!
+
+
+### From terminal
+To install solely using your terminal:
+
+```
+$ curl https://hak.xwx.moe/jadedctrl/shellfox/archive/master.tar.gz | tar -xzv
+$ cd shellfox/
+$ sudo make native-install
+```
 
 
 ## Related projects
 This add-on was inspired by [Textern](https://github.com/jlebon/textern/), which allows you to edit text-boxes with an external editor like [Emacs](https://gnu.org/software/emacs). It’s very useful, I highly recommend it!
 
+
 ## Source code
 https://hak.xwx.moe/jadedctrl/shellfox  
 Author is Jaidyn Ann, <jadedctrl@posteo.at>