Guardian Druid talent - not working

Talent: Soul of the Forest

the talent says it increase the damage of skill [ Mangle] by 25%

  • before change to this talent my magle damage (on skill icon) shows 27.661 after changing to this talent its still 27,661 … how is that damage increase ? there is so many talents for so many classes broken … just like that, you can’t write in talent it increases the damage (i did test it i don’t see difference at all) i wonder if it is the same with talents that says frenzied regeneration will heal for 10/20 % more or iron fur increase armour by 15% (Reinforced Fur)