Contribution #1650

Problem: en/8.3.15

Updated 8.3.15 heading

Editor: Aliaksandr Melnichenka ( @astrosander )

Time: June 25, 2024 at 09:56 AM

GitHub commit: 5c51b38aadd8f2ee0c37f224730992526c7256f4

+116 -166 lines changed