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A little bug in Tutorial 2

Hi everyone,

I'm going through tutorial 2, and in lesson 11, I think there is a little error. Specifically, in the section titled “Mean Reversion Factors”. For me, it should indicate that long positions are opened when the percentage differences are greater (positive) and short positions are opened, when the percentage differences are smaller (negative). There it appears backwards. I'm just learning basic strategies, and it seems to me that there is an error here, which is repeated in the calculation of the filters for shorts and for longs. I hope you excuse me if I am wrong.

My greetings.