update readme

README.md

@@ -98,7 +98,8 @@ but we acknowledge that some people haven't switched to GNU/Linux yet.
 Clone the repo to the `scripts` directory.
 
 ```
-$ git clone 'https://github.com/Ajatt-Tools/mpvacious.git' ~/.config/mpv/scripts/subs2srs
+mkdir -p ~/.config/mpv/scripts/
+git clone 'https://github.com/Ajatt-Tools/mpvacious.git' ~/.config/mpv/scripts/subs2srs
 ```
 
 To update, run the following command.
@@ -113,6 +114,9 @@ cd ~/.config/mpv/scripts/subs2srs && git pull
 
 ### Manually
 
+This way is not recommended because it's easy to make a mistake during the process
+and end up with a broken install.
+
 Download
 [the repository](https://github.com/Ajatt-Tools/mpvacious/archive/refs/heads/master.zip)
 or