Datatype "Website" missing

a_stg

Hello, I would like to add Websites to my library but I cannot choose the datatype "Website" or something similiar. Where can I find or add this option?
https://s3.amazonaws.com/zotero.org/images/forums/u22156578/er5mrpuqyis6ai10sjo8.png
https://s3.amazonaws.com/zotero.org/images/forums/u22156578/qcbd6a0yraizk4wgfzhj.png

adamsmith

https://www.zotero.org/support/adding_items_to_zotero#generic_webpages