Fix README typo.
Fix README typo.

OCD strikes yet again.
nitishch/springseed,nitishch/springseed,Swizz540/springseed,wolf9s/springseed,byhestia/springseed,wolf9s/springseed,wolf9s/springseed,byhestia/springseed,nitishch/springseed,Swizz540/springseed,byhestia/springseed,Swizz540/springseed