diff --git a/Doc/library/dialog.rst b/Doc/library/dialog.rst
index 191e0da12103fa..e0693e8eb6ed22 100644
--- a/Doc/library/dialog.rst
+++ b/Doc/library/dialog.rst
@@ -220,7 +220,7 @@ is the base class for dialogs defined in other supporting modules.
 
 .. class:: Dialog(master=None, **options)
 
-   .. method:: show(color=None, **options)
+   .. method:: show(**options)
 
       Render the Dialog window.