Updates docs to account for optional Node.name

Author: bkrem

README.md

@@ -91,7 +91,7 @@ class MyComponent extends React.Component {
 ## Props
 | Property                      | Type                   | Options                                                                                | Required? | Default                                                       | Description                                                                                                                                                                                                                                                                                                                                                                                                                   |
 |:------------------------------|:-----------------------|:---------------------------------------------------------------------------------------|:----------|:--------------------------------------------------------------|:------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| `data`                        | `array`<br/>`object`   |                                                                                        | required  | `undefined`                                                   | Single-element array containing the root node object (see `myTreeData` above). <br /> Contains (at least) a `name` property. <br/> Passing the root node object without an array wrapping it is also possible.                                                                                                                                                                                                                |
+| `data`                        | `array`<br/>`object`   |                                                                                        | required  | `undefined`                                                   | Single-element array containing the root node object (see `myTreeData` above). <br/> Passing the root node object without an array wrapping it is also possible.                                                                                                                                                                                                                |
 | `nodeSvgShape`                | `object`               | see [Node shapes](#node-shapes)                                                        |           | `{shape: 'circle', shapeProps: {r: 10}}`                      | Sets a specific SVG shape element + shapeProps to be used for each node.                                                                                                                                                                                                                                                                                                                                                      |
 | `nodeLabelComponent`          | `object`               | see [Using foreignObjects](#using-foreignobjects)                                      |           | `null`                                                        | Allows using a React component as a node label; requires `allowForeignObjects` to be set.                                                                                                                                                                                                                                                                                                                                     |
 | `onClick`                     | `func`                 |                                                                                        |           | `undefined`                                                   | Callback function to be called when a node is clicked. <br /><br />Has the function signature `(nodeData, evt)`. The clicked node's data object is passed as first parameter, event object as second.                                                                                                                                                                                                                         |