diff --git a/src/docs/JOSS/paper.bib b/src/docs/JOSS/paper.bib
index f75a06280f3..5fb19d760af 100644
--- a/src/docs/JOSS/paper.bib
+++ b/src/docs/JOSS/paper.bib
@@ -49,7 +49,7 @@ @article{Beckingsale:2020
 }
 
 @InProceedings{hypre,
-    author = {Falgout, R. D.  and  Yang. U. M.},
+    author = {Falgout, R. D.  and  Yang, U. M.},
     title = {\textit{hypre}: a Library of High Performance Preconditioners},
     booktitle = {Lecture Notes in Computer Science},
     year = {2002},