Documentation fix
Documentation fix

nidup/php-github-api,daconex/php-github-api,martinssipenko/php-github-api,lucasmichot/php-github-api,Soullivaneuh/php-github-api,acrobat/php-github-api,KnpLabs/php-github-api,aaronbloomfield/github-api-tools,guillermoandrae/php-github-api,dominionenterprises/php-github-api,SakyaStelios/php-github-api