Quick suggestion I've noticed that vigor (20 secs) has a longer cool down than kinetic resorvoir (15 secs)

Now I to me this seems a bit strange because as far as I'm aware comando is quite a health reliant profession? Surely that would dictate that vigor would have a better cool down? It's hardly a pwn skill but when tanking and you need a bit of health it's annoying having to wait 20secs for that while your mana is ready to go !

Please let me know why I'm wrong if you think I am but I just can't think why it would be