These are keys (not section names) at the top (not indented) level. Is does not matter where you put them. When output from the firmware they may not be grouped together.
enable_parking_override_control:
board: ESP32 Dev Controller V4
name: ESP32 Dev Controller V4
meta: B. Dring 2022-03-15 Rev 2
arc_tolerance_mm: 0.002
junction_deviation_mm: 0.010
verbose_errors: false
report_inches: false
enable_parking_override_control: false
use_line_numbers: false
planner_blocks: 16