diff --git a/README.md b/README.md
index c6f8f36..cade107 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,7 @@ Current reference to the PySPOD library is:
 
 ```bash
 @article{mengaldo2021pyspod,
-  title={Pyspod: A python package for spectral proper orthogonal decomposition (spod)}
+  title={Pyspod: A python package for spectral proper orthogonal decomposition (spod)},
   author={Mengaldo, Gianmarco and Maulik, Romit},
   journal={Journal of Open Source Software},
   volume={6},