Red sea reefer silicone concerns

[Ashy]

Just got my rsr300 cabinet setup and the tank leveled and noticed this, it seems like a void or something in the silicone seal near the top right back corner is this something I should worry about spreading and causing the tank to fall part or just forget about it? Its the only one I can see.

 

[Waynerock]

That’s not bad just ugly. When it starts to do stuff like this I would be concerned