Update orderby_meta_key example

Author: claudiosanches

Diff for: source/includes/v2/_introduction.md

@@ -178,7 +178,7 @@ Note that the following filters are supported for all endpoints except the `repo
 | `q`                | performs a keyword search and returns resources that match, e.g. `GET /products?filter[q]=search-keyword`. Note that search terms should be URL-encoded as they will be decoded internally with [`urldecode`](http://us3.php.net/manual/en/function.urldecode.php)                           |
 | `order`            | controls the ordering of the resources returned, accepted values are `ASC` (default) or `DESC`                                                                                                                                                                                               |
 | `orderby`          | controls the field that is used for ordering the resources returned. Accepts the same arguments as [`WP_Query`](http://codex.wordpress.org/Class_Reference/WP_Query#Order_.26_Orderby_Parameters). Defaults to `date`. You can order by `meta_value` but you must provide `orderby_meta_key` |
-| `orderby_meta_key` | the meta key to order returned resources by when using `orderby=meta_value`. For example, you could order products by price using `GET /products?filter[orderby]=meta_value&filter[orderby_meta_key]=_price`                                                                                 |
+| `orderby_meta_key` | the meta key to order returned resources by when using `orderby=meta_value`. For example, you could order products by price using `GET /products?filter[orderby]=meta_value_num&filter[orderby_meta_key]=_price`                                                                             |
 | `post_status`      | limits resources to only those with the specified post status. Most useful for returning unpublished products, e.g. `GET /products?filter[post_status]=draft`                                                                                                                                |
 | `meta`             | resource meta is excluded by default, but it can be included by setting `meta=true`, e.g. `GET /orders?filter[meta]=true`. Protected meta (meta whose key is prefixed with an underscore) is not included in the response                                                                    |
 | `pagination`       | explained below                                                                                                                                                                                                                                                                              |

Diff for: source/includes/v3/_introduction.md

@@ -174,7 +174,7 @@ Note that the following filters are supported for all endpoints except the `repo
 | `q`                | performs a keyword search and returns resources that match, e.g. `GET /products?filter[q]=search-keyword`. Note that search terms should be URL-encoded as they will be decoded internally with [`urldecode`](http://us3.php.net/manual/en/function.urldecode.php)                           |
 | `order`            | controls the ordering of the resources returned, accepted values are `ASC` (default) or `DESC`                                                                                                                                                                                               |
 | `orderby`          | controls the field that is used for ordering the resources returned. Accepts the same arguments as [`WP_Query`](http://codex.wordpress.org/Class_Reference/WP_Query#Order_.26_Orderby_Parameters). Defaults to `date`. You can order by `meta_value` but you must provide `orderby_meta_key` |
-| `orderby_meta_key` | the meta key to order returned resources by when using `orderby=meta_value`. For example, you could order products by price using `GET /products?filter[orderby]=meta_value&filter[orderby_meta_key]=_price`                                                                                 |
+| `orderby_meta_key` | the meta key to order returned resources by when using `orderby=meta_value`. For example, you could order products by price using `GET /products?filter[orderby]=meta_value_num&filter[orderby_meta_key]=_price`                                                                             |
 | `post_status`      | limits resources to only those with the specified post status. Most useful for returning unpublished products, e.g. `GET /products?filter[post_status]=draft`                                                                                                                                |
 | `meta`             | resource meta is excluded by default, but it can be included by setting `meta=true`, e.g. `GET /orders?filter[meta]=true`. Protected meta (meta whose key is prefixed with an underscore) is not included in the response                                                                    |
 | `pagination`       | explained below                                                                                                                                                                                                                                                                              |