_screen-reader.scss in bootstrap-4.5.3

- old
+ new

@@ -1,7 +1,7 @@
 // Only display content to screen readers
 //
-// See: https://a11yproject.com/posts/how-to-hide-content/
+// See: https://www.a11yproject.com/posts/2013-01-11-how-to-hide-content/
 // See: https://hugogiraudel.com/2016/10/13/css-hide-and-seek/
 
 @mixin sr-only() {
   position: absolute;
   width: 1px;