doc: Missing title documentation in the header section

README.md

@@ -153,6 +153,7 @@ The card stricly validates all the options available (but not for the `apex_conf
 | Name | Type | Default | Since | Description |
 | ---- | :--: | :-----: | :---: | ----------- |
 | `show` | boolean | `false` | v1.0.0 | Show or hide the header |
+| `title` | string | | v1.1.0 | The title of the chart you want to display |
 | `floating` | boolean | `false` | v1.0.0 | Makes the header float above the graph. Positionning will be supported later |
 | `show_states` | boolean | `false` | v1.1.0 | Show or hide the states in the header |
 | `colorize_states` | boolean | `false` | v1.1.0 | Colorize the states based on the color of the serie |