Fixed typo in comment
Fixed typo in comment

marchelbling/osg,scrawl/osg,jtorresfabra/osg,jtorresfabra/osg,marchelbling/osg,scrawl/osg,scrawl/osg,openscenegraph/osg,openscenegraph/osg,scrawl/osg,openscenegraph/osg,jtorresfabra/osg,marchelbling/osg,openscenegraph/osg,jtorresfabra/osg,marchelbling/osg