![](https://i.imgur.com/2VzhGSC.png)
according to its description, it decreases cooldown by 2%.
![](https://i.imgur.com/Mm3RZWb.png)
The actual modifier however increases cooldown by 2%. Cooldown bonuses always must have a modifier lower than 1. So not only is this bulletin useless, it punishes you too.
I guess the person who implemented it back in the days was already tired and not sure anymore if a cooldown bonus must be bigger or lower than 1.