Grammatical fixes in readme

2 jobs for master in 11 minutes and 23 seconds (queued for 12 minutes and 12 seconds)
Status Job ID Name Coverage
  Build
passed #22082
linux kf5-qt5 qt5.12

00:11:23

34.0%
failed #22083
windows
windows kf5-qt5 qt5.13

 
Name Stage Failure
failed
windows kf5-qt5 qt5.13 Build There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job log