improve docs

Author: lironhl

Diff for: src/components/graph/Graph.jsx

@@ -221,7 +221,7 @@ export default class Graph extends React.Component {
   /**
    * Handles d3 'drag' event.
    * {@link https://github.com/d3/d3-drag/blob/master/README.md#drag_subject|more about d3 drag}
-   * @param  {Object} d3Event - `DragEvent` Contains d3 event data.
+   * @param  {Object} d3Event - `DragEvent` contains d3 event data.
    * @param  {string} datum - The datum we configured inside, our d3Select call,
    * currently happening inside _graphNodeDragConfig function.
    * in our case the datum, will be equal to the nodeId.
@@ -302,7 +302,7 @@ export default class Graph extends React.Component {
 
   /**
    * Handler for 'zoom' event within zoom config.
-   * @param {Object} d3Event - `ZoomEvent contains data about the zoom event.
+   * @param {Object} d3Event - `ZoomEvent` contains d3 event data
    * @returns {Object} returns the transformed elements within the svg graph area.
    */
   _zoomed = d3Event => {