In the article “Synaptic Zn2+ Inhibits Neurotransmitter Release by Promoting Endocannabinoid Synthesis” by Tamara Perez-Rosello, Charles T. Anderson, Francisco J. Schopfer, Yanjun Zhao, David Gilad, Sonia R. Salvatore, Bruce A. Freeman, Michal Hershfinkel, Elias Aizenman, and Thanos Tzounopoulos, which appeared on pages 9259–9272 of the May 29, 2013 issue, the authors regret that not all the funding sources were cited in the accepted version of the Acknowledgments. The corrected Acknowledgments are as follows: This work was supported by National Institutes of Health (NIH) Grants DC007905 (T.T.), NS043277 (E.A.), HL058115 (B.A.F.), HL64937 (B.A.F.), DK072506 (B.A.F.), HL103455 (B.A.F.), and AT006822 (F.J.S.); by Hemsley Trust Grant BSF2011126 from the U.S.–Israel Binational Science Foundation (E.A., M.H.); and by NIH Training Grants F32DC011664 (T.P.-R.), and T32DC011499 (C.T.A.). We thank Veronica Choi, Courtney Pedersen, and Karen Hartnett for technical assistance. We thank Drs. Karl Kandler, Carlos Aizenman, and Paul Rosenberg for critical reading of earlier versions of this manuscript. GPR39/mZnR KO mice were kindly provided by Dr. Moechars from the Janssen Pharmaceutical companies of Johnson & Johnson.