diff --git a/telethon/_updates/messagebox.py b/telethon/_updates/messagebox.py
index 14fa7525..6502f7a4 100644
--- a/telethon/_updates/messagebox.py
+++ b/telethon/_updates/messagebox.py
@@ -828,4 +828,4 @@ class MessageBox:
         else:
             raise RuntimeError('Unknown reason to end channel difference')
 
-    # endregion Getting and applying channel difference.
\ No newline at end of file
+    # endregion Getting and applying channel difference.