link should be: <a href="https:&#x2F;&#x2F;blog.ethereum.org&#x2F;2016&#x2F;02&#x2F;29&#x2F;homestead-release&#x2F;" rel="nofollow">https:&#x2F;&#x2F;blog.ethereum.org&#x2F;2016&#x2F;02&#x2F;29&#x2F;homestead-release&#x2F;</a>