fixed more grammatical errors (thanks to cjl)
fixed more grammatical errors (thanks to cjl)

AlanJAS/turtleart,walterbender/turtleflags,walterbender/turtle3D,walterbender/turtleartmini,walterbender/turtleconfusion,walterbender/turtleart,walterbender/AmazonasTortuga