diff --git a/PLUGINS.md b/PLUGINS.md
index 91c73393..c391a3ab 100644
--- a/PLUGINS.md
+++ b/PLUGINS.md
@@ -191,7 +191,7 @@ Use `numberFromString()` from EDMC's `l10n.Locale` object to parse input
 numbers in a locale-independent way.
 
 ```python
-import Tkinter as tk
+import tkinter as tk
 import myNotebook as nb
 from config import config