added documentation of a parameter
added documentation of a parameter

svn path=/trunk/KDE/kdeedu/marble/; revision=804569

David-Gil/marble-dev,Earthwings/marble,oberluz/marble,AndreiDuma/marble,tucnak/marble,probonopd/marble,utkuaydin/marble,adraghici/marble,tzapzoor/marble,probonopd/marble,Earthwings/marble,quannt24/marble,AndreiDuma/marble,utkuaydin/marble,tzapzoor/marble,quannt24/marble,David-Gil/marble-dev,oberluz/marble,tzapzoor/marble,AndreiDuma/marble,David-Gil/marble-dev,probonopd/marble,tzapzoor/marble,oberluz/marble,probonopd/marble,quannt24/marble,David-Gil/marble-dev,tzapzoor/marble,adraghici/marble,tzapzoor/marble,quannt24/marble,probonopd/marble,rku/marble,AndreiDuma/marble,tzapzoor/marble,rku/marble,quannt24/marble,adraghici/marble,tucnak/marble,David-Gil/marble-dev,utkuaydin/marble,utkuaydin/marble,utkuaydin/marble,tzapzoor/marble,adraghici/marble,rku/marble,tucnak/marble,tucnak/marble,quannt24/marble,Earthwings/marble,rku/marble,adraghici/marble,utkuaydin/marble,rku/marble,Earthwings/marble,adraghici/marble,oberluz/marble,tucnak/marble,probonopd/marble,tucnak/marble,AndreiDuma/marble,Earthwings/marble,AndreiDuma/marble,probonopd/marble,Earthwings/marble,tucnak/marble,rku/marble,David-Gil/marble-dev,oberluz/marble,quannt24/marble,oberluz/marble