Overview - Reports - Layout - Alternative Text Sub-Tab
Using the Alternative text sub-tab you change the defaul column titles. All default column titles are shown in the left hand column.
Follow these steps:
1. Select the text field in the right hand column next to the default column title.
2. Press F2 or click the Rename button.
3. Enter the desired alternative text.
4. Repeat steps 1, 2 and 3 for each column title you would like to change.