diff --git a/README.rst b/README.rst
index 74e8391..86dbfca 100644
--- a/README.rst
+++ b/README.rst
@@ -65,7 +65,7 @@ Introspect an Element's attributes:
 .. code-block:: pycon
 
     >>> about.attrs
-    {'id': 'about', 'class': ['tier-1', 'element-1'], 'aria-haspopup': 'true'}
+    {'id': 'about', 'class': ('tier-1', 'element-1'), 'aria-haspopup': 'true'}
 
 Select Elements within Elements: