Flashing stock recovery with flashify topic

So being that the m7 & m8 dev edition phones r getting lollipop update AS I TYPE THIS, I find myself prepping for when big red pushes the update.. I've modified many system files, so I've got the stock odex Rom downloaded and was about to download stock recovery when I realized my laptop is toast and don't have access to. Another cpu for quite awhile . I've flashed twrp over the stock recovery with Flashify with no problems, but wondering if flashing stock recovery back over twrp with flashify is any different or if anyone else has done so, and if there's any problems? (yes I know it's always recommended to use fastboot, but I can't, no pc) ... I've used flashify many times, just not putting stock recovery back... Any feedback is much appreciated..m