show type of dinner: pot luck; restaurant; brown bag; usw
If its a price range, what can I expect to pay at some restaurant; pot luck is always good; what about attendees with special needs: halal; kosher; vegan; peanut allergy, et cetera.
You have START TIME but no END TIME.
Will there be a speaker? What about NO SMOKING? Will alcohol be available? What other things need to be added.
Type of food: Italian, Thai, Greek, et cetera.
BYOB??? Age limit, if applicable.
et cetera, et cetera, et cetera
If it's at a restaurant, why not include a link to the online menu?
AFA special needs, handicap access might need to be considered as well.