fix api-think.md typo
fix api-think.md typo
75team/www.thinkjs.org,thinkjs/www.thinkjs.org,75team/www.thinkjs.org,75team/www.thinkjs.org,snadn/www.thinkjs.org,snadn/www.thinkjs.org,snadn/www.thinkjs.org,thinkjs/www.thinkjs.org,thinkjs/www.thinkjs.org