docs: use correct calendar group in material

Author: Juveniel

packages/material/docs/customization-calenda.md

@@ -227,6 +227,16 @@ The following table lists the available variables for customization.
     <td colspan="4" class="theme-variables-description-container"><div><b>Description</b><div class="theme-variables-description">The border radius of the cells in the Calendar.</div></div>
     </td>
 </tr>
+<tr>
+    <td>$kendo-calendar-header-cell-padding-x</td>
+    <td>Null</td>
+    <td><code>null</code></td>
+    <td><code>null</code></td>
+</tr>
+<tr>
+    <td colspan="4" class="theme-variables-description-container"><div><b>Description</b><div class="theme-variables-description">The horizontal padding of the header cells in the Calendar.</div></div>
+    </td>
+</tr>
 <tr>
     <td>$kendo-calendar-header-cell-padding-y</td>
     <td>Null</td>

packages/material/docs/customization-calendar.md

@@ -2276,36 +2276,6 @@ The following table lists the available variables for customizing the Material t
 </tbody>
 </table>
 
-### Calenda
-
-<table class="theme-variables">
-    <colgroup>
-    <col style="width: 200px; white-space:nowrap;" />
-    <col />
-    <col />
-    <col />
-</colgroup>
-<thead>
-    <tr>
-        <th>Name</th>
-        <th>Type</th>
-        <th>Default value</th>
-        <th>Computed value</th>
-    </tr>
-</thead>
-<tbody><tr>
-    <td>$kendo-calendar-header-cell-padding-x</td>
-    <td>Null</td>
-    <td><code>null</code></td>
-    <td><code>null</code></td>
-</tr>
-<tr>
-    <td colspan="4" class="theme-variables-description-container"><div><b>Description</b><div class="theme-variables-description">The horizontal padding of the header cells in the Calendar.</div></div>
-    </td>
-</tr>
-</tbody>
-</table>
-
 ### Calendar
 
 <table class="theme-variables">
@@ -2523,6 +2493,16 @@ The following table lists the available variables for customizing the Material t
     <td colspan="4" class="theme-variables-description-container"><div><b>Description</b><div class="theme-variables-description">The border radius of the cells in the Calendar.</div></div>
     </td>
 </tr>
+<tr>
+    <td>$kendo-calendar-header-cell-padding-x</td>
+    <td>Null</td>
+    <td><code>null</code></td>
+    <td><code>null</code></td>
+</tr>
+<tr>
+    <td colspan="4" class="theme-variables-description-container"><div><b>Description</b><div class="theme-variables-description">The horizontal padding of the header cells in the Calendar.</div></div>
+    </td>
+</tr>
 <tr>
     <td>$kendo-calendar-header-cell-padding-y</td>
     <td>Null</td>

packages/material/docs/customization.md

@@ -74,7 +74,7 @@ $kendo-calendar-cell-line-height: $kendo-calendar-line-height !default;
 $kendo-calendar-cell-border-radius: 100px !default;
 
 /// The horizontal padding of the header cells in the Calendar.
-/// @group calenda
+/// @group calendar
 $kendo-calendar-header-cell-padding-x: null !default;
 /// The vertical padding of the header cells in the Calendar.
 /// @group calendar