I'm not entirely sure if this was done intentionally (maybe some historical typo that is kept for compatibility?) or is an actual typo, but, considering I haven't found any mentions of this icon's name outside of eOS icons' repo, I believe it's the latter.
I'm not entirely sure if this was done intentionally (maybe some historical typo that is kept for compatibility?) or is an actual typo, but, considering I haven't found any mentions of this icon's name outside of eOS icons' repo, I believe it's the latter.