In version 4:4.5~20100928.1180427-1maemo1.1180334 , in the Actions flaps' Folder section (have to have an folder selected), "folder" is sometimes capitalized (as in "Move Folder to..."), sometimes not ("Delete folder", "Add subfolder"). A consistent spelling should be found.
This has been fixed now, 'Folder' and 'Subfolder' is used everywhere.