You can change your venue's type by going to Company settings > Venues and making changes to your venue type.
Click on your initials in the top right hand corner to reveal the drop down menu. Then select Company settings.
Click on Venues on the left hand side. You should be able to see a list of venues that you have listed on your account. Simply click the blue Edit button to make changes to its details.
The venue's details will then pop up. Navigate to the Venue Type and you can check and un-check any venue types as you see fit. Click the Add button at the bottom left to save any changes you've made.