"JIRA Issue" macro doesn't allow to show issues' Summary

Using the "JIRA" Issue macro, on the "Insert JIRA Issue" window, using the "Search" option.

We insert a search term, which displays correct results in that window.

Below, in the "Display Options", when trying to add the issues' "Summary" to "Columns to display", it doesn't appear there as an option. Other fields appear correctly (i.e. "Key", "Comment", "Watchers", etc.) but not "Summary".