diff --git a/SPEX/Include/SPEX.h b/SPEX/Include/SPEX.h
index d495bd87b..a500a885b 100644
--- a/SPEX/Include/SPEX.h
+++ b/SPEX/Include/SPEX.h
@@ -67,7 +67,7 @@
 //    See license.txt for license info.
 //
 // This software is copyright by Christopher Lourenco, Jinhao Chen,
-// Lorena Mejia Domenzain, Erick Moreno-Centeno and Timothy A. Davis.
+// Lorena Mejia Domenzain, Erick Moreno-Centeno, and Timothy A. Davis.
 // All Rights Reserved.
 //