Typing Over Pivot Table Rows and Columns

Hi:

Quite by accident, I found that I can type over the value of a row or column
dimension in a pivot table (but not a value). The only way to clear the type
in value is to completely clear the pivot table and start it over. Refresh
does not cure the problem.

Ex:
Column Bob Jon Mark
Row
Mon 2 3 4
Tue 6 8 9

If I change "Tue" to "Black", it shows like:
Column Bob Jon Mark
Row
Mon 2 3 4
Black 6 8 9

The only way I can get it to say "Tue" again is to clear the entire pivot
table. Refreshing doesn't do it.

Has anyone else see this?

Thanks,

Dwight

Excel 2007
Cut/Paste the offending source column elsewhere.
Refresh.
Cut/Paste back.
Refresh.
This is also a good way to "Sort in data source order",
but check "Manual Sort" and "Retain None".