Delta Air Lines has donated $400,000 to help renovate Martin Luther King Jr. National Historical Park in Atlanta.

WSBTV reports that the money will help with the electrical system of the park, as well as the visitor center and security.

“Since 1996, the visitor center and promenade have lighted the path for more than 15 million visitors to personally experience the places in Atlanta where Dr. King’s life and legacy took shape,” said Judy Forte, who is the superintendent of the park. Forte said in a statement. “The National Park Service is honored to partner with Delta Air Lines again in providing visitors an encounter worthy of the great treasures preserved and interpreted here at the Martin Luther King Jr. National Historical Park.”

Last year, the Delta Air Lines Foundation gave an $83,500 grant to keep the park open during the government shutdown.

This isn’t the first donation from Delta Airlines, just last year during the government shut down the airline pledged $85,000 to keep the park open.

“At Delta, our values center around connecting the world. There are few who have left a legacy of connection as profound as Dr. King. We are honored to support improvements that will allow the public to visit the park and remember his life for decades to come,” Delta said in a statement.