Improve PyCBC Live description for O3

Status Job ID Name Coverage
  Build
passed #551056
doctest

00:02:25

passed #551054
html

00:01:51

passed #551057
latexpdf

00:02:10

failed #551058
allowed to fail
linkcheck

00:02:38

passed #551059
spelling

00:01:51

manual #551055
allowed to fail manual
stop review
passed #551053
validate-voevents

00:00:30

 
Name Stage Failure
failed
linkcheck Build
(line  391) ok        https://healpy.readthedocs.io/en/stable/generated/healpy.pixelfunc.ud_grade.html#healpy.pixelfunc.ud_grade
(line 391) ok https://healpy.readthedocs.io/en/stable/generated/healpy.pixelfunc.get_interp_val.html#healpy.pixelfunc.get_interp_val
(line 391) ok https://healpy.readthedocs.io/en/stable/tutorial.html
(line 16) ok https://healpix.jpl.nasa.gov/images/healpixGridRefinement.jpg
(line 420) redirect https://doi.org/10.1111/j.1365-2966.2007.12297.x - permanently to https://academic.oup.com/mnras/article/381/2/865/1021805

build finished with problems, 1 warning.
WARNING: Not copying tabs assets! Not compatible with linkcheck builder
ERROR: Job failed: exit code 1