small fixes
small fixes

psilveyra/bootcamp-central,biostars/bootcamp-central,elainesophie/bootcamp-central,shefali86/bootcamp-central,NaomiAltman/bootcamp-central,nabeel1990/bootcamp-central,zhenzhenyang-psu/bootcamp-central,elainesophie/bootcamp-central,berebolledo/bootcamp-central,vermaa1/bootcamp-central,berebolledo/bootcamp-central,vermaa1/bootcamp-central,mcc77/bootcamp-central,NaomiAltman/bootcamp-central,psilveyra/bootcamp-central,biostars/bootcamp-central,elainesophie/bootcamp-central,vermaa1/bootcamp-central,shefali86/bootcamp-central,mcc77/bootcamp-central,biostars/bootcamp-central,zhenzhenyang-psu/bootcamp-central,nabeel1990/bootcamp-central,vermaa1/bootcamp-central,NaomiAltman/bootcamp-central,psilveyra/bootcamp-central,zhenzhenyang-psu/bootcamp-central,berebolledo/bootcamp-central,psilveyra/bootcamp-central,berebolledo/bootcamp-central,mcc77/bootcamp-central,nabeel1990/bootcamp-central,shefali86/bootcamp-central,elainesophie/bootcamp-central,zhenzhenyang-psu/bootcamp-central,nabeel1990/bootcamp-central,NaomiAltman/bootcamp-central,mcc77/bootcamp-central,biostars/bootcamp-central