Wrong ability descriptions

Some ability descriptions in this website don't make sense. They say the ability grants 0% of some stat. For instance, [the description of Sona's Song of Celerity](http://gameinfo.euw.leagueoflegends.com/en/game-info/champions/sona/) says "Grants Sona [0]% movement speed for 7 seconds". This means that the ability does nothing at all, which obviously is not correct. _Edited to make it more clear_
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