;;;###autoload
(defun nnfolder-generate-active-file ()
- "Look for mbox folders in the nnfolder directory and make them into groups."
+ "Look for mbox folders in the nnfolder directory and make them into groups.
+This command does not work if you use short group names."
(interactive)
(nnmail-activate 'nnfolder)
(let ((files (directory-files nnfolder-directory))