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Update README.md [ci skip] 

Clarify that versions call is on an instance not the class
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Russell Norris 2013-07-10 10:37:35 -04:00 committed by Ben Atkins
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@ -363,7 +363,7 @@ You can find out whether a model instance is the current, live one -- or whether
If your `ApplicationController` has a `current_user` method, PaperTrail will store the value it returns in the `version`'s `whodunnit` column. Note that this column is a string so you will have to convert it to an integer if it's an id and you want to look up the user later on:
```ruby
>> last_change = Widget.versions.last
>> last_change = widget.versions.last
>> user_who_made_the_change = User.find last_change.whodunnit.to_i
```