diff --git a/docs/layout/responsive-utilities.md b/docs/layout/responsive-utilities.md
index e207737d1..c3f0c0090 100644
--- a/docs/layout/responsive-utilities.md
+++ b/docs/layout/responsive-utilities.md
@@ -28,11 +28,11 @@ Try to use these on a limited basis and avoid creating entirely different versio
       <th></th>
       <th>
         Extra small devices
-        <small>Portrait phones (&lt;544px)</small>
+        <small>Portrait phones (&lt;576px)</small>
       </th>
       <th>
         Small devices
-        <small>Landscape phones (&ge;544px - &lt;768px)</small>
+        <small>Landscape phones (&ge;576px - &lt;768px)</small>
       </th>
       <th>
         Medium devices