Correction: Carrageenan as a dry strength additive for papermaking.

[This corrects the article DOI: 10.1371/journal.pone.0171326.].

The affiliation order is incorrect. The affiliations should appear as shown here:

Zhenhua Liu1,2, Xinping Li1, Wei Xie2

1 College of Bioresources Chemical and Materials Engineering, Shanxi University of Science and Technology, Xi’an, Shanxi Province P. R. China, 2 School of Chemical Engineering, Wuzhou University, Wuzhou, Guangxi Province P. R. China

The publisher apologizes for the error.