doc: update url doc to account for escaping
doc: update url doc to account for escaping

Fixes: https://github.com/nodejs/node/issues/2113
Ref: 17a379ec39a34408477ac6a43751c1b9b2e952a4
PR-URL: https://github.com/nodejs/node/pull/2605
Reviewed-By: jasnell - James M Snell <2d64a127ffc94dbe6295928a16bedf8b26814159@gmail.com>
Reviewed-By: cjihrig - Colin Ihrig <838f779c91673db29b8572ea3f54d191d3878ae2@gmail.com>
Reviewed-By: mscdex - Brian White <d8bbf19083844493ef08581d1c38fbc50ba5d18b@mscdex.net>

dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node