  We point out the evident errors in statistical analysis of the data,
performed by Klapdor-Kleingrothaus et al in recently published paper to
establish a limit on the stability of electron with respect to the decay into
$\nu+\gamma$. We performed the reestimation of the sensitivity of the
experimental setups to the 256 keV gamma emitted in the hypothetical electron
decay, and show that in [1] the limits on the electron stability and charge
nonconservation parameter $\epsilon_{e\nu\gamma}^{2}$ are overestimated by at
least a factor of 5. We have revealed evident errors in the statistical
analysis, performed by Klapdor-Kleingrothaus et al in a recently published
paper [1] to establish a limit on the stability of electron with respect to the
decay into $\nu+\gamma$. The performed reestimation of the sensitivity of the
experimental setups to the 256 keV gamma emitted in the hypothetical electron
decay, has shown that the limits on the electron stability and charge
nonconservation parameter $\epsilon_{e\nu\gamma}^{2}$ presented in [1], have
been overestimated by at least a factor of 5.
