diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 689c9a2..124cfee 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -8079,6 +8079,13 @@
 <	This requires Vim to be built with the |+vtp| feature.
 
 	Note that the "cterm" attributes are still used, not the "gui" ones.
+
+	When using Vim with Windows Terminal, the background of Windows
+	Terminal is normally filled with the Vim background color.  Setting
+	'termguicolors' and the guibg of the Normal highlight group to NONE
+	will make the background transparent: >
+		:hi Normal guibg=NONE
+<
 	NOTE: This option is reset when 'compatible' is set.
 
 						*'termwinkey'* *'twk'*