Described reactive options workaround

docs/guide/README.md

@@ -206,7 +206,7 @@ The reactivity system at its current state is not **robust**. You will run into
 
 #### Options
 
-The `options` object is not reactive right now. So if you dynamically change the chart options, they will not be recognized by the mixin.
+The `options` object is not reactive right now. So if you dynamically change the chart options, they will not be recognized by the mixin. You can create a watcher to destory and rerender when chart options are updated.
 
 If you are using the mixin you need to pass in your options as a prop names `options`. This is important because the mixin will call chart.js `update()` method or destroy and render a new chart. If the mixin renders a new chart it calls `this.renderChart(this.chartData, this.options)`.