diff --git a/doc/source/conf.py b/doc/source/conf.py
index 0fdb17f..5ebdeb0 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -58,7 +58,7 @@ master_doc = 'index'
 
 # General information about the project.
 project = 'Frappy'
-copyright = '2017-2023, Enrico Faulhaber, Markus Zolliker,'
+copyright = '2017-2023, Enrico Faulhaber, Markus Zolliker'
 #copyright = '2017, SECoP Committee'
 author = 'Enrico Faulhaber, Markus Zolliker'