You are invited to my birthday party. My birthday is November 18th. I have invited a comedian to preside at the party and we will have fun together. At the buffet, you can choose whatever food you want. I will send this invitation card to all the people you know. So, I hope you will come to my birthday party and have a good time as well.

RSVP to me at 010-1234-5678
Place: The Party in Seomyeon
Date: November 18th
Time: 6 to 9 p.m.
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Would you check the birthday party invitation? Correct any errors, please. Thank you.

You are invited to my birthday party. My birthday is November 18th. I have invited a comedian to perform at the party, and we will have fun together. At the buffet, you can choose whatever food you want. I am inviting lots of people you know, so I hope you will come and have a good time.

RSVP to me at 010-1234-5678
Place: The Party in Seomyeon
Date: November 18th
Time: 6 to 9 p.m.

I made just a few changes. Overall, it reads very well.

Sure, here's the corrected version of the birthday party invitation:

You are invited to my birthday party, which will take place on November 18th. We have arranged for a comedian to entertain at the party, and it promises to be a fun-filled event. There will be a buffet with a wide variety of food options for you to enjoy. I would be delighted if you could attend and join in the festivities.

Please RSVP to me at 010-1234-5678, and the party will be held at The Party in Seomyeon. The event will start at 6 p.m. and will continue until 9 p.m.

I hope to see you there and share a wonderful time together.