diff --git a/docs/quickstart.rst b/docs/quickstart.rst
index 5eaaf9c5..baca5050 100644
--- a/docs/quickstart.rst
+++ b/docs/quickstart.rst
@@ -18,7 +18,7 @@ A minimal Flask application looks something like this::
 
     @app.route('/')
     def hello_world():
-        return "Hello World!"
+        return 'Hello World!'
 
     if __name__ == '__main__':
         app.run()