Minor grammar changes
Minor grammar changes

three/codeworld,d191562687/codeworld,venkat24/codeworld,venkat24/codeworld,google/codeworld,xwysp/codeworld,stefan-j/codeworld,google/codeworld,pranjaltale16/codeworld,d191562687/codeworld,stefan-j/codeworld,three/codeworld,alphalambda/codeworld,d191562687/codeworld,pranjaltale16/codeworld,google/codeworld,xwysp/codeworld,alphalambda/codeworld,nomeata/codeworld,venkat24/codeworld,Ye-Yong-Chi/codeworld,stefan-j/codeworld,parvmor/codeworld,Ye-Yong-Chi/codeworld,alphalambda/codeworld,parvmor/codeworld,nomeata/codeworld,Ye-Yong-Chi/codeworld,tgdavies/codeworld,parvmor/codeworld,tgdavies/codeworld,nomeata/codeworld,tgdavies/codeworld,pranjaltale16/codeworld,xwysp/codeworld,three/codeworld