diff --git a/guides/v2.1/extension-dev-guide/attributes.md b/guides/v2.1/extension-dev-guide/attributes.md
index 95e77eb8356..ac00d6ac699 100644
--- a/guides/v2.1/extension-dev-guide/attributes.md
+++ b/guides/v2.1/extension-dev-guide/attributes.md
@@ -113,60 +113,16 @@ You must create a `<Module>/etc/extension_attributes.xml` file to define a modul
 
 where:
 
-<table>
-<thead>
-<th>Keyword</th>
-<th>Description</th>
-<th>Example</th>
-</thead>
-<tbody>
-<tr>
-<td><p>for</p></td>
-<td><p>The fully-qualified type name with the [namespace](https://glossary.magento.com/namespace) that processes the extensions. The value must be a type that implements `ExtensibleDataInterface`. The interface can be in a different module.</p> </td>
-<td><code>Magento\Quote\Api\Data\TotalsInterface</code></td>
-</tr>
-<tr>
-<td><p>code</p></td>
-<td><p>The name of the attribute. The attribute name should be in snake case (the first letter in each word should be in lowercase, with each word separated by an underscore). </p></td>
-<td><code>gift_cards_amount_used</code></td>
-</tr>
-<tr>
-<td><p>type</p></td>
-<td><p>The data type. This can be a simple data type, such as string or integer, or complex type, such as an interface.</p></td>
-<td><code>float <br />Magento\CatalogInventory\Api\Data\StockItemInterface</code></td>
-</tr>
-<tr>
-<td><p>ref</p></td>
-<td><p>Optional. Restricts access to the [extension attribute](https://glossary.magento.com/extension-attribute) to users with the specified permission.</p></td>
-<td><code>Magento_CatalogInventory::cataloginventory</code></td>
-</tr>
-<tr>
-<td><p>reference_table</p></td>
-<td>
-<p>The table involved in a join operation. See <a href="#search">Searching extension attributes</a> for details.</p>
-</td>
-<td><code>admin_user</code></td>
-</tr>
-<tr>
-<td><p>reference_field</p></td>
-<td><p>Column in the reference_table</p></td>
-<td><code>user_id</code></td>
-</tr>
-<tr>
-<td><p>join_on_field</p></td>
-<td><p>The column of the table associated with the interface specified in the <code>for</code> [keyword](https://glossary.magento.com/keyword) that will be used in the join operation.</p></td>
-<td><code>store_id</code></td>
-</tr>
-<tr>
-<td><p>field</p></td>
-<td><p>One or more fields present in the interface specified in the <code>type</code> keyword.</p>
-<p>You can specify the <code>column=""</code> keyword to define the column in the reference_table to use. The field value specifies the property on the <code>interface</code> which should be set.</p></td>
-<td><code><field>firstname</field><br /><field>lastname</field><br /><field>email</field><br /><br />
-<field column="customer_group_code">code</field></code></td>
-</tr>
-</tbody>
-
-</table>
+|Keyword|Description|Example|
+|--- |--- |--- |
+| for | The fully-qualified type name with the [namespace](https://glossary.magento.com/namespace) that processes the extensions. The value must be a type that implements `ExtensibleDataInterface`. The interface can be in a different module. | `Magento\Quote\Api\Data\TotalsInterface` |
+| code | The name of the attribute. The attribute name should be in snake case (the first letter in each word should be in lowercase, with each word separated by an underscore). | `gift_cards_amount_used` |
+| type | The data type. This can be a simple data type, such as string or integer, or complex type, such as an interface. | `float`<br />`Magento\CatalogInventory\Api\Data\StockItemInterface` |
+| ref | Optional. Restricts access to the extension attribute to users with the specified permission. | `Magento_CatalogInventory::cataloginventory` |
+| reference_table | The table involved in a join operation. See [Searching extension attributes](#search) for details. | `admin_user` |
+| reference_field | Column in the `reference_table`. | `user_id` |
+| join_on_field | The column of the table associated with the interface specified in the `for` keyword that will be used in the join operation. | `store_id` |
+| field | One or more fields present in the interface specified in the `type` keyword.<br />You can specify the `column=""` keyword to define the column in the reference_table to use. The field value specifies the property on the `interface` which should be set. | `<field>firstname</field>`<br />`<field>lastname</field>`<br />`<field>email</field>`<br /><br />`<field column="customer_group_code">code</field>` |
 
 ### Searching extension attributes {#search}
 

Keyword	Description	Example
for	The fully-qualified type name with the [namespace](https://glossary.magento.com/namespace) that processes the extensions. The value must be a type that implements `ExtensibleDataInterface`. The interface can be in a different module.	`Magento\Quote\Api\Data\TotalsInterface`
code	The name of the attribute. The attribute name should be in snake case (the first letter in each word should be in lowercase, with each word separated by an underscore).	`gift_cards_amount_used`
type	The data type. This can be a simple data type, such as string or integer, or complex type, such as an interface.	`float Magento\CatalogInventory\Api\Data\StockItemInterface`
ref	Optional. Restricts access to the [extension attribute](https://glossary.magento.com/extension-attribute) to users with the specified permission.	`Magento_CatalogInventory::cataloginventory`
reference_table	- The table involved in a join operation. See Searching extension attributes for details. -	`admin_user`
reference_field	Column in the reference_table	`user_id`
join_on_field	The column of the table associated with the interface specified in the `for` [keyword](https://glossary.magento.com/keyword) that will be used in the join operation.	`store_id`
field	One or more fields present in the interface specified in the `type` keyword. - You can specify the `column=""` keyword to define the column in the reference_table to use. The field value specifies the property on the `interface` which should be set.	`firstname lastname email -code`