EN/CityGML-Tutorial/chapter-2:-Building/LOD3.md

@@ -149,7 +149,7 @@ To correctly insert building solid either using [FME](https://gitlab.com/volkerc
 
 As an alternative to FME, free GEORES plugin for SketchUp can also be used to convert SketchUp models to CityGML 2.0 in LOD 0,1,2,3 and 4. More info on GEORES plugin can be found [here](https://github.com/GeoplexGIS/geores).
 
-A CityGML 3.0 LOD3 building model of the above used example building can be downloaded from [here](https://transfer.hft-stuttgart.de/gitlab/coors/3d-stadtmodelle/-/blob/master/CityGMLTutorial/CityGML3/LOD3MultiSurface_CityGML3.gml). An automated [CityGML2-to-CityGML3 convertor](https://github.com/tum-gis/citygml2-to-citygml3) is used to convert the LOD3 building model from CityGML 2.0 to CityGML 3.0.
+A CityGML 3.0 LOD3 building model of the above used example building can be downloaded from [here](https://transfer.hft-stuttgart.de/gitlab/coors/3d-stadtmodelle/-/blob/master/CityGMLTutorial/CityGML3/LOD3MultiSurface_CityGML3.gml). An automated [CityGML2-to-CityGML3 convertor](https://github.com/citygml4j/citygml-tools) is used to convert the LOD3 building model from CityGML 2.0 to CityGML 3.0.
 
 **Next Chapter** [Chapter 2.4: Appearance](https://transfer.hft-stuttgart.de/gitlab/coors/3d-stadtmodelle/-/wikis/EN/CityGML-Tutorial/chapter%202:%20Building/Appearance)