diff --git a/vim/.vimrc b/vim/.vimrc
index 7133d8f..0497230 100755
--- a/vim/.vimrc
+++ b/vim/.vimrc
@@ -14,6 +14,7 @@ set splitbelow
 if exists('+termguicolors')
 	" enable termguicolors correctly for terminals other than
 	" xterm-256color see https://github.com/vim/vim/issues/993
+	" also see :h xterm-true-color
 	let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
 	let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"
 	set termguicolors