In the article “Novel Higher-Order Epigenetic Regulation of the Bdnf Gene upon Seizures” by Agnieszka Walczak, Andrzej A. Szczepankiewicz, Blazej Ruszczycki, Adriana Magalska, Katarzyna Zamlynska, Joanna Dzwonek, Ewa Wilsczek, Katarzyna Zybura-Broda, Marcin Rylski, Monika Malinowska, Michal Dabrowski, Teresa Szczepinska, Krzysztof Pawlowski, Marta Pyskata, Jakub Wlodarczyk, Izabela Szczerbal, Marek Switonski, Marion Cremer, and Grzegorz M. Wilczynski, which appeared on pages 2507–2511 of the February 6, 2013 issue, the authors regret a grant number was omitted from the acknowledgments. The corrected acknowledgment is as follows “This work was supported by Polish-Norwegian Grant PNRF-96-Al-1/07, and by the European Regional Development Fund POIG 01.01.02-00-008/08. The presented research was financed by “PRELUDIUM” grant number UMO-2011/03/N/NZ3/04516 financed by the National Center of Science.” This correction does not affect the conclusions of the paper.