minimum stay extend to 30 days

guys please help me a little, how can i set up minimum stay for 30days, instead of 7 maximum?

havent found te way how to do this....

thanks a lot

Corne Grobler

Hi this does not address the 7 day max minum stay problem. I want people to not be able to book my villa for a perido shorter than 10 days. How do you set that up. Regards