Fix broken link

7 jobs for master in 5 minutes and 29 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #34666
capitalize

00:00:17

passed #34665
allowed to fail
docs

00:00:14

failed #34667
allowed to fail
ext_links

00:04:11

 
  Build
passed #34668
mkdocs

00:00:42

 
  Deploy
manual #34670
allowed to fail manual
deploy to production
passed #34669
deploy to stage

00:00:20

 
  After Test
passed #34671
404s

00:00:14

 
Name Stage Failure
failed
ext_links Test
                                          docs.it4i/software/tools/virtualization.md: ✓
docs.it4i/software/viz/NICEDCVsoftware.md: Issues
docs.it4i/software/viz/gpi2.md: ✓
docs.it4i/software/viz/insitu.md: ✓
docs.it4i/software/viz/openfoam.md: ✓
docs.it4i/software/viz/paraview.md: ✓
Running after script...
$ rm *.json
ERROR: Job failed: exit code 1