13 September 2017
- 21:3821:38, 13 September 2017 diff hist +1 m Serpentis Hidden Hideaway typo
10 July 2017
- 15:4815:48, 10 July 2017 diff hist 0 m Stacking penalties Minor grammar change - have -> will
1 July 2017
- 16:3716:37, 1 July 2017 diff hist 0 m Advanced piloting techniques Fixing typo - weather->whether