Comment about nerd font selection. Fixes #853 (#854)

Author: dam9000

init.lua

@@ -90,7 +90,7 @@ P.S. You can delete this when you're done too. It's your config now! :)
 vim.g.mapleader = ' '
 vim.g.maplocalleader = ' '
 
--- Set to true if you have a Nerd Font installed
+-- Set to true if you have a Nerd Font installed and selected in the terminal
 vim.g.have_nerd_font = false
 
 -- [[ Setting options ]]