fixes #3381: update docs to show correct media query range on responsive utilities

docs/scaffolding.html

@@ -532,9 +532,9 @@
     <thead>
       <tr>
         <th>Class</th>
-        <th>Phones <small>480px and below</small></th>
-        <th>Tablets <small>767px and below</small></th>
-        <th>Desktops <small>768px and above</small></th>
+        <th>Phones <small>767px and below</small></th>
+        <th>Tablets <small>979px to 768px</small></th>
+        <th>Desktops <small>Default</small></th>
       </tr>
     </thead>
     <tbody>

docs/templates/pages/scaffolding.mustache

@@ -466,9 +466,9 @@
     <thead>
       <tr>
         <th>{{_i}}Class{{/i}}</th>
-        <th>{{_i}}Phones <small>480px and below</small>{{/i}}</th>
-        <th>{{_i}}Tablets <small>767px and below</small>{{/i}}</th>
-        <th>{{_i}}Desktops <small>768px and above</small>{{/i}}</th>
+        <th>{{_i}}Phones <small>767px and below</small>{{/i}}</th>
+        <th>{{_i}}Tablets <small>979px to 768px</small>{{/i}}</th>
+        <th>{{_i}}Desktops <small>Default</small>{{/i}}</th>
       </tr>
     </thead>
     <tbody>