Bugged Blue Buff Description

[Gameplay] Blue buff description while playing Summoner's Rift is bugged.

The blue buff description on Summoner's Rift reads as the Nexus Blitz blue buff, giving up to 50% cool down reduction, when it clearly does not, as shown by the cool down reduction stat and doing the math on abilities. I don't know for sure why this happened, I can only assume that it's because I played one or more games of Nexus Blitz and then played Summoner's Rift. The bug has persisted through numerous restarts of the program and seems to be permanent. It happens outside of practice tool as well, I just wanted to show that that it happened.