Day 2 Keynote Presentation

when you have switched the branches from master to Feature-C through powershell 'git checkout Feature-C' it is not changing the 'TextFile2.txt' Content, should it has to update with the magic line ?
File naming error (two files, same name):
3-746-mobile.mp4 Low Quality MP4 (approx. 500-800kbps)
3-746-mobile.mp4 Mid Quality MP4 (approx. 2-2.5Mbps)
P.S.: hello Phil & Martin. B-)