Urls issue

Hello,

I added pages on joomla and my current urls of the pages is like Url : www.fandangodemo.com/location-info.html but as this page is under buying category i want url to look like Url : www.fandangodemo.com/buying/location-info.html this.



i setup in advance setting in SH404 component but not working. can u please and tell me what i need set more in option for enabled this or was done anything wrong setting in advance configuration.

please check screenshot

Thanks
Geoff