Merge pull request smashwilson#8 from kvarga/fix-readme

Fix readme for cookies

README.md

@@ -21,7 +21,12 @@ pip install -r requirements.txt
 
 You'll need to provide your team name (the bit before ".slack.com" in your admin URL) and your session cookie (grab it from your browser). Copy `.env.example`, fill them in, and source it.
 
-To grab your Slack session cookie, [open your browser's javascript console](http://webmasters.stackexchange.com/a/77337) and copy the value of `document.cookie`
+To grab your Slack session cookie:
+* [Open your browser's dev tools](http://webmasters.stackexchange.com/a/77337) and copy the value of `document.cookie`
+* Go to the Network tab
+* Re-load page like https://{teamname}.slack.com/customize/emoji
+* Find call to `emoji` (it is most likely the very top request)
+* Scroll to `Request-Headers` and copy the value of Cookie and add to .env
 
 ```bash
 cp .env.example .env