diff --git a/docs/source/index.rst b/docs/source/index.rst
index 6a8ae4f5..fd227079 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -106,7 +106,7 @@ Welcome to Pyrogram
 
     @app.on_message(Filters.private)
     def hello(client, message):
-        message.reply_text("Hello {}".format(message.from_user.first_name))
+        message.reply_text(f"Hello {message.from_user.first_name}")
 
 
     app.run()