4-CAIVS-user-guide/4.1-Purpose.md

@@ -7,7 +7,7 @@ into a data format which is more suitable for visualization and
 postprocessing. Various output formats are possible supporting data
 reading in visualization tools like
 [IDL](https://www.l3harrisgeospatial.com/Software-Technology/IDL),
-[VisIt](https://wci.llnl.gov/simulation/computer-codes/visit) or
+[VisIt](https://visit-dav.github.io) or
 [ParaView](https://www.paraview.org/).
 
 Physical variables contained in a NIRVANA snapshot file can be