Fix instructions typo

8 jobs for master in 5 minutes and 14 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #26627
gui shared-linux
build docs

00:00:23

passed #26628
gui shared-linux
build linux installer

00:05:12

canceled #26629
gui shared-mac
build mac installer

00:00:12

passed #26630
gui shared-win
build windows installer

00:03:03

 
  Test
skipped #26631
gui shared-linux
test Linux
passed #26634
shared-mac gui
test macOS

00:01:11

skipped #26633
gui shared-win
test Windows
canceled #26632
gui shared-mac
test macOS