Update fern/docs/pages/customization.mdx

Co-authored-by: Ben Colborn <[email protected]>

Author: shivansh

fern/docs/pages/customization.mdx

@@ -390,8 +390,8 @@ hints:
 * `placeholder`: The placeholder text for the field.
 * `is_sortable`: Whether the field is sortable. Requires `is_filterable` to be true.
 * `is_groupable`: Whether the field is groupable. Requires `is_filterable` to be true.
-* `order`: The order in which the field appears in the side-panel.
-* `group_name`: The group title under which field(s) appear in the side-panel. In the example below, the fields are grouped under groups titled _Group One_ and _Group Two_.
+* `order`: The order in which the field appears in the side panel.
+* `group_name`: The group title under which field(s) appear in the side panel. In the example below, the fields are grouped under groups titled **Group One** and **Group Two**.
 
   ![customization-group_name-ui-hint](../img/customization-group_name-ui-hint.png)