Fix sentence in Grid example

site/content/docs/0.0/examples/grid/index.html

@@ -124,7 +124,7 @@ <h2 class="mt-4">Two columns with two nested columns</h2>
     <hr class="my-4">
 
     <h2 class="mt-4">Mixed: mobile and desktop</h2>
-    <p>The OUDS Web grid system has eight tiers of classes: 2xs (extra extra small, this class infix is not used), xs (extra small), sm (small), md (medium), lg (large), xl (extra large), 2xl (extra extra large) and 3xl (extra extra extra large). You can use nearly any combination of these classes to create more dynamic and flexible layouts.</p>
+    <p>The OUDS Web grid system has eight tiers of classes: 2xs (2x-small, this class infix is not used), xs (x-small), sm (small), md (medium), lg (large), xl (x-large), 2xl (2x-large) and 3xl (3x-large). You can use nearly any combination of these classes to create more dynamic and flexible layouts.</p>
     <p>Each tier of classes scales up, meaning if you plan on setting the same widths for md, lg, xl, 2xl and 3xl, you only need to specify md.</p>
     <div class="row mb-3 text-center">
       <div class="col-md-8 themed-grid-col">.col-md-8</div>