docs: format readme

Author: dlvhdr

README.md

@@ -30,8 +30,10 @@ Go:
 go install github.com/dlvhdr/diffnav
 ```
 
-> [!NOTE] To get the icons to render properly you should download and install a Nerd font from https://www.nerdfonts.com/. Then, select that font as your font for the terminal.
-> You can install these with brew as well: `brew install --cask font-<FONT NAME>-nerd-font`
+> [!NOTE]
+> To get the icons to render properly you should download and install a Nerd font from https://www.nerdfonts.com/. Then, select that font as your font for the terminal.
+>
+> _You can install these with brew as well: `brew install --cask font-<FONT NAME>-nerd-font`_
 
 ## Usage