Fixing Command to create VCF

gzip -dc my_sample.genome.vcf.gz |\
extract_variants |\
awk '/^#/ || $7 == "PASS"' >\
all_passed_variants.vcf
Merge pull request #1 from raonyguimaraes/master

Hello, there was a typo in your docs that I corrected. Thank you for your code!