The original "Observation of Gravitational Waves from a Binary Black Hole Merger", that appeared in the February 2016 issue of Phys. Rev. Lett. is fraught with grave mistakes in the mathematical formulation, if it could be called that. In their paper, the LIGO team presents a single equation for the so-called 'chirp mass', and another equation in a caption for the "effective relative velocity given by the post-Newtonian parameter"