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We recently published velocity measurements of luminous globular clusters inthe galaxy NGC1052-DF2, concluding that it lies far off the canonical stellarmass - halo mass relation. Here we present a revised velocity for one of theglobular clusters, GC-98, and a revised velocity dispersion measurement for thegalaxy. We find that the intrinsic dispersion $\sigma=5.6^{+5.2}_{-3.8}$ km/susing Approximate Bayesian Computation, or $\sigma=7.8^{+5.2}_{-2.2}$ km/susing the likelihood. The expected dispersion from the stars alone is ~7 km/s.Responding to a request from the Editors of ApJ Letters and RNAAS, we alsobriefly comment on the recent analysis of our measurements by Martin et al.(2018).

A Revised Velocity for the Globular Cluster GC-98 in the Ultra Diffuse Galaxy NGC1052-DF2