On page 6 (Graham Reference Graham2019), Equation 24 contains an error such that 0.5 log(π) was added rather than subtracted after substituting Equations 18 and 19 into Equation 23. As such, the value -7.065 in equation 24 should read -7.563. This correction has no consequences on any other aspect of the article, with the correct value of -7.563 used to derive equation 25.
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