Maybe some already knew about this... But honestly, I'm surprised by this too. This comes from the discovery of the bamboo slips at the time:
The comparision of \"Yingzhou Gorvenor\" in Simplified Chinese
There is an entire research paper about it from 2 years ago. The author also mentions that Lu Yun's eulogy for Lu Xun refers to him as the "Governor of Yingzhou" not "Jingzhou"
The paper explains the whole situation and why this mistake exists. Unfortunately, I was only able to obtain a few of the papers through online sources (I don't think it's appropriate to share