Avoid deprecation warning when building docs (#243)
Avoid deprecation warning when building docs (#243)

Merge pull request 243
jekyll/jekyll-seo-tag,jekyll/jekyll-seo-tag,benbalter/jekyll-seo-tag,benbalter/jekyll-seo-tag,benbalter/jekyll-seo-tag,jekyll/jekyll-seo-tag