[doc] Clarify that `path` is resolved against current working directory
[doc] Clarify that `path` is resolved against current working directory

Fixes #150.

GoogleChrome/puppeteer,GoogleChrome/puppeteer,GoogleChrome/puppeteer,puppeteer/puppeteer,a1ph/puppeteer,brutalcrozt/puppeteer,ianchn/puppeteer,puppeteer/puppeteer,ianchn/puppeteer,puppeteer/puppeteer,brutalcrozt/puppeteer,a1ph/puppeteer,puppeteer/puppeteer,michaelfward/puppeteer,elisherer/puppeteer,elisherer/puppeteer,michaelfward/puppeteer