Meditation Mastery [GAMEPLAY]

So while playing I was attempting to use the Meditation mastery ("tier" 2 in the Cunning tree). However, I tried it out in a custom game and the extra 1.5% (of missing mana) mana regen either:

1. Doesn't Work
2. Doesn't show up in either the mana regen tab when you hit "C" for the character panel window or on your mana bar's active regen display (+x.x)

If #2 is the case, I really think it'd be beneficial to add that information to actually be view able. It's ideally the same concept as chalice of harmony, and that alters the mana regen displayed

Here's an easy way how you can re-create this event:

1. Start a custom game
2. Pick any champ
3. Get 5/5 in Meditation
4. Start game; spam abilities while out of fountain
5. Notice no visable change in mana regen

tl;dr fix or clarity please