doc: clarify font requirement in TL;DR (#1271)

README.md

@@ -76,7 +76,7 @@ To learn more about the philosophy of the project check the [philosophy](#-philo
 For neovim beginners who don't want to tinker with the configurations:
 
 1. Install one of the Nerd fonts, for example Meslo Nerd Font from  [Nerd Fonts](https://www.nerdfonts.com/font-downloads).
-2. Set your terminal font to the installed Nerd Font.
+2. Set your terminal font to the monospace variant of the installed font, for example "MesloLGM Nerd Font Mono".
 3. Make sure you have git by running `git --version`
 4. Paste the sample init.lua below to `~/.config/nvim/init.lua`
 5. Start taking notes by `nvim test.norg`