[Pharo 8.0] Build #1097: fix typo in Pharo-WelcomeHelp text

There is a new Pharo build available!
 
The status of the build #1097 was: SUCCESS.

The Pull Request #5433 was integrated: "fix typo in  Pharo-WelcomeHelp text"
Pull request url: https://github.com/pharo-project/pharo/pull/5433

Issue Url: https://github.com/pharo-project/pharo/issues/WestleyArgentum
Build Url: https://ci.inria.fr/pharo-ci-jenkins2/job/Test%20pending%20pull%20request%20and%20branch%20Pipeline/job/Pharo8.0/1097/