This only applies if you were the person who created the Diary Date or the Venue record. If you are not the person who created the record then you will have to contact the Webmaster and ask for the changes to be made.
Editing a Venue
Select your venue from the Venues list.
When the page opens showing the Venue details you should see a little pen and pad icon to the right of the Venue name. If it is not there you do not have the ability to edit the venue and you will have to contact the Webmaster and ask for the details to be changed.
Editing a Diary Date
Using the Diary Dates main menu - page through the list of Diary Dates until you see the one you want to edit. Click on it to open the details page. If you have the rights to edit this Diary Date you will see a little pen and and pad icon next to the Diary Date name. Click on this to edit your record. If the icon is not there then contact the Webmaster and ask for the changes to be made.