Update hck25-2025-flatiron.md (#93)

Author: rly

content/events/hck25-2025-flatiron.md

@@ -48,9 +48,9 @@ The NWB Community Hackathon will bring neuroscientists, tool builders, and resea
 ### Housing
 Housing support is not provided. Here are some low-cost hotels that are near the venue.
 
-- [Freehand New York](https://freehandhotels.com/summer-in-the-city/) - approx. $768 for queen bed, 3 nights, with code SUMMERCITY
-- [Springhill Suites New York Manhattan/Chelsea](https://www.marriott.com/en-us/hotels/nycsl-springhill-suites-new-york-manhattan-chelsea/overview/) - approx. $834 for studio king bed, 3 nights, Stay Longer Save rate
-- [Motto by Hilton New York City Chelsea](https://www.hilton.com/en/brands/motto-by-hilton/) - approximately $898 for king bed, 3 nights, The Hilton Sale with Honors Discount, great reviews
+- [Freehand New York](https://freehandhotels.com/summer-in-the-city/) - Total approx. $630 for queen bed, 3 nights, with code SUMMERCITY
+- [Springhill Suites New York Manhattan/Chelsea](https://www.marriott.com/en-us/hotels/nycsl-springhill-suites-new-york-manhattan-chelsea/overview/) - Total approx. $834 for studio king bed, 3 nights, Stay Longer Save rate
+- [Motto by Hilton New York City Chelsea](https://www.hilton.com/en/brands/motto-by-hilton/) - Total approx. $898 for king bed, 3 nights, The Hilton Sale with Honors Discount, great reviews
 
 ### Travel
 Travel support is not provided.