Fix typo

7 jobs for add-piplines in 2 minutes and 52 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
passed #386119
doctest

00:02:52

passed #386117
html

00:01:54

passed #386120
latexpdf

00:02:43

passed #386121
linkcheck

00:02:47

passed #386122
spelling

00:02:07

manual #386118
allowed to fail manual
stop review
passed #386116
validate-voevents

00:00:47