diff --git a/soitool/accept_reject_dialog.py b/soitool/accept_reject_dialog.py
index ab7d681d624cf9fa3f41c7f67c2f4cc65542c92b..0e67f84ad72a0d62c963c635c342d92677652c14 100644
--- a/soitool/accept_reject_dialog.py
+++ b/soitool/accept_reject_dialog.py
@@ -9,7 +9,7 @@ from PySide2.QtWidgets import (
 
 
 class AcceptRejectDialog(QDialog):
-    """Dialog with accept and reject button.
+    """Dialog with accept and reject buttons.
 
     The class is not meant to be used directly. It is meant to be the
     superclass of all dialogs that include "accept" and "reject" -like buttons.