Not really other than to seal the crack to prevent water seeping through, possibly resulting in unseen long term damage. If you chop it out try a contrasting tile or even mosaic, if you don't have an identical one.
If you need to find a tradesperson to get your job done, please try our local search below,
or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local