SharePoint Designer 2010 approval workflow error revisited

Question

Karen K started a question around:
Errors
were found when compiling the workflow. The workflow files were saved but cannot be run.And when I click on the "Advanced" button in the error message, I see this detailed error:
(0,
0) Activity 'ID4' validation failed: Property 'DurationUnit' has invalid value. Field type 'System.String' does not match with the expected type 'Microsoft.Office.Workflow.Actions.DurationUnit'.)
The full problem/solution is posted:
http://social.technet.microsoft.com/Forums/en/sharepoint2010customization/thread/332e49c6-6471-4374-9c9f-9bcf334f9c69
However, 
I can't figure how to do step 2:
2.       Select
the Action and click the “Advanced Properties”
ribbon control;
3.       Find
the “DurationUnit” property in the properties
box, and click the “fx” link in the box;
Which
"Select the Action" am I looking for? I looked everywhere.
Help

Answer 1

RoyKim, it's simpler than you think, which is why it probably stumped you.  This is all you do:
In SPD2010, click on the Workflows Site Object
Find your workflow and click on it to open the top-level settings page
Click edit workflow
This is the page where you perform the steps from that other thread
Single-click the row that says "Start Approval process on CurrentItem etc etc"
Then click Advanced Properties in the ribbon
Scroll down until you find DurationUnit
Click the fx button on the right and re-select Parameter: Duration Units as instructed
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