typo

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@23251 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
minor improvement

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@23252 4ae1f11a-8b86-4847-b8af-ab372f36d1fd