few doc fixes
few doc fixes

- html5-studio is in fact needed on all fronts,
- cleanup output and typo
ivesbai/platform-install-packages,ivesbai/platform-install-packages,jorgevbo/platform-install-packages,jorgevbo/platform-install-packages,doubleshot/platform-install-packages,littlefisher112291/platform-install-packages,doubleshot/platform-install-packages,kaltura/platform-install-packages,kaltura/platform-install-packages,jorgevbo/platform-install-packages,kaltura/platform-install-packages,jorgevbo/platform-install-packages,ivesbai/platform-install-packages,kaltura/platform-install-packages,kaltura/platform-install-packages,ivesbai/platform-install-packages,doubleshot/platform-install-packages,littlefisher112291/platform-install-packages,doubleshot/platform-install-packages,littlefisher112291/platform-install-packages,littlefisher112291/platform-install-packages,doubleshot/platform-install-packages,kaltura/platform-install-packages