diff --git a/Guides/CSS/README.md b/Guides/CSS/README.md
index a1c14db7..387f0622 100644
--- a/Guides/CSS/README.md
+++ b/Guides/CSS/README.md
@@ -353,7 +353,7 @@ ni-flexible-layout-container {
 ### Set color of the thumb on a Vertical Switch
 
 ```css
-.user-class-name[checked] span.jqx-thumb::after, jqs-switch-button[checked]:hover span.jqx-thumb::after {
+.user-class-name[checked] span.jqx-thumb::after {
    background: yellow;
 }
 ```