Update README.md

Author: nicolasbeauvais

README.md

@@ -87,9 +87,11 @@ The `url` is the only property required for all networks.
 
 ###### General properties
 
-Name           | Data Type  | Description
--------------- | ---------- | -----------
-`tag`          | String     | HTML tag used to render the network component. Default to "a" tag.
+| Name           | Data Type | Description                                                        |
+|----------------|-----------| -------------------------------------------------------------------|
+| `tag`          | String    | HTML tag used to render the network component. Default to "a" tag. |
+| `popup.width`  | Number    | Custom width of the popup window. Default to 626px.                |
+| `popup.height` | Number    | Custom height of the popup window. Default to 426px.               |
 
 ###### Network properties
 
@@ -103,13 +105,6 @@ Name           | Data Type  | Description
 | `twitter-user` | String | Twitter user (Twitter only).                               |
 | `media`        | String | Url to a media (Pinterest, VK, Weibo, and Wordpress).      |
 
-###### Popup properties
-
-| Prop           | Type   | Description                                                |
-|----------------|--------|------------------------------------------------------------|
-| `popup.width`  | Number | Custom width of the popup window.                          |
-| `popup.height` | Number | Custom height of the popup window.                         |
-
 ###### Networks
 
 | Network       | `url`              | `title`            | `description`      | Extras/Comments                                                                                                 |
@@ -208,6 +203,13 @@ modules: [
 ]
 ```
 
+## Customizing the popup window size
+
+If needed, you can set a custom width and height for the popup window:
+```html
+<ShareNetwork :popup="{width: 400, height: 200}" />
+```
+
 ## Feature request
 Feel free to open an issue to ask for a new social network support.