DevelopmentGuide.md
172 - 'board game' to 'board games'
264 - 'every frame if your game' to 'every frame of your game'
README.md
5 - added a comma
15 - 'show in red' to 'shown in red'
40 - 'send' to 'sent'
49 - 'sent at earlier' to 'sent earlier'
'be rendered it until' to 'be rendered until'
DevelopmentGuide.md 172 - 'board game' to 'board games' 264 - 'every frame if your game' to 'every frame of your game'
README.md 5 - added a comma 15 - 'show in red' to 'shown in red' 40 - 'send' to 'sent' 49 - 'sent at earlier' to 'sent earlier' 'be rendered it until' to 'be rendered until'