Update _bar_graph_custom.md

playbook/app/pb_kits/playbook/pb_bar_graph/docs/_bar_graph_custom.md

@@ -1,2 +1,2 @@
 The `customOptions` prop provides comprehensive access to additional [Highcharts options](https://api.highcharts.com/highcharts/) that are not explicitly defined as props.
- It's important to note that certain options may require specific script imports to function properly.
+ It's important to note that certain options may require specific script imports to function properly.