Suggestions in red...just being helpful.
Wolf

Core 1 misspelled word/clarity You gain 8 hit points for this core and every other core in this tree
Core 2 oxford comma missing to match game consistency You gain a +3 bonus to listen, search, and spot
Core 3 Clarity, comma splice, change to read as Bear core 3: While in animal form the cooldown penalty for non-animal form spells is reduced from 2.5 times the usual length to 2.0. Does not stack with Nature’s Protector cores.
Core 4 Needs corrected to reflect +1 Multiplier/Range
Core 5 Run-on: ....: For the next 10 seconds you are granted a +10....
Core 6 Comma or conjunction error: ...animal form while using it...


Tier 1 No suggestions

Tier 2
Flight- Tense: Gain uncapped dodge bonus...
Ghost Wolf- delete plural/capitalize ability: Gain Ghost Touch while in wolf form
Brother Wolf- Clarity: While your wolf pet is alive and within 40 meters it gains 5/10/15 hps every 12/9/6 seconds and 10/15/20 mrr & prr. You also gain+1/+2/+3 hit and damage

Tier 3
Prey/Weak: clarity/consistency: You gain an 8%/15% damage bonus against helpless targets.
Essence/Shrike: clarity/consistency: ...hit an enemy in wolf form.... (wolf form is wolf form).

Tier 4
Fatal Harrier- excess information: Remove beast stance or change to requires being in wolf, bear, or tree form.
Four Good Legs- excess information: Remove beast stance or change to requires being in wolf, bear, or tree form.

Tier 5
Alpha Strike- clarity: ...reduces attack, range, and spell power by... Does it mean melee power, ranged power, and spell power?
Swift Hunter- no biggy, but it really should read: You gain Evasion while in wolf form, or any wolf form for consistency if not changed throughout
Go/Kill- clarity: You charge your target dealing +4[w]....