diff --git a/_site/templates/index.njk b/_site/templates/index.njk
index 149428b..5865ac3 100644
--- a/_site/templates/index.njk
+++ b/_site/templates/index.njk
@@ -185,13 +185,8 @@
 				to be enlarged or reduced without loss;
 			</li>
 			<li>
-				colors are adjusted when <strong>Windows High Contrast Mode</strong> is detected using
-				<code>-ms-high-contrast: active</code>, inspired by
-				<a href="https://www.gwhitworth.com/blog/2017/04/how-to-use-ms-high-contrast">
-					<strong>Greg Whitworth</strong> article</a> on the topic. I also recommend you
-				<a href="http://www.iangraham.org/books/xhtml1/appd/update-23feb2000.html">
-					<cite>Test of System Colors Specified in CSS 2</cite> rustproof page written by
-					<strong>Ian Graham</strong></a>, published in… 2000!
+				colors are adjusted when <strong>High Contrast Mode</strong> is detected using
+				<code>prefers-contrast: more</code>.
 			</li>
 			<li>
 				<strong>animations and transitions are disabled</strong> when the system exposes
diff --git a/docs/index.html b/docs/index.html
index 4508bfe..64e090d 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -191,13 +191,8 @@ <h3>User preferences</h3>
 				to be enlarged or reduced without loss;
 			</li>
 			<li>
-				colors are adjusted when <strong>Windows High Contrast Mode</strong> is detected using
-				<code>-ms-high-contrast: active</code>, inspired by
-				<a href="https://www.gwhitworth.com/blog/2017/04/how-to-use-ms-high-contrast">
-					<strong>Greg Whitworth</strong> article</a> on the topic. I also recommend you
-				<a href="http://www.iangraham.org/books/xhtml1/appd/update-23feb2000.html">
-					<cite>Test of System Colors Specified in CSS 2</cite> rustproof page written by
-					<strong>Ian Graham</strong></a>, published in… 2000!
+				colors are adjusted when <strong>High Contrast Mode</strong> is detected using
+				<code>prefers-contrast: more</code>.
 			</li>
 			<li>
 				<strong>animations and transitions are disabled</strong> when the system exposes