diff --git a/README.md b/README.md
index 9bed6a7..42928cd 100755
--- a/README.md
+++ b/README.md
@@ -37,7 +37,8 @@ import guan
 
 ## Citation
 
-There is no official paper related to this package temporarily, but you can cite one or all of the following papers instead which are the motivation of this project (e.g., calculating the scattering matrix), if this package is greatly helpful for your research.
+There is no official paper related to this package temporarily, but you can cite one or all of the following papers instead, which are the motivation of this project, if this package is greatly helpful for your research.
 
++ Ji-Huan Guan, Wen-Kai Lou, and Kai Chang, Topological hidden phase transition in honeycomb bilayers with a high Chern number, Phys. Rev. B 110, 165303 (2024).
 + Ji-Huan Guan, Yan-Yang Zhang, Si-Si Wang, Yan Yu, Yang Xia and Shu-Shen Li, Barrier Tunneling and Loop Polarization in Hopf Semimetals. Phys. Rev. B 102, 064203 (2020).
 + Ji-Huan Guan, Yan-Yang Zhang, Wei-Er Lu, Yang Xia and Shu-Shen Li, Barrier tunneling of the loop-nodal semimetal in the hyperhoneycomb lattice. J. Phys.: Condens. Matter 30, 185402 (2018).
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