diff --git a/docs/hazmat/primitives/padding.rst b/docs/hazmat/primitives/padding.rst
index 6e3f69f..83154c0 100644
--- a/docs/hazmat/primitives/padding.rst
+++ b/docs/hazmat/primitives/padding.rst
@@ -26,7 +26,8 @@
         >>> padded_data = padder.update(b"11111111111111112222222222")
         >>> padded_data
         '1111111111111111'
-        >>> padded_data + padder.finalize()
+        >>> padded_data += padder.finalize()
+        >>> padded_data
         '11111111111111112222222222\x06\x06\x06\x06\x06\x06'
         >>> unpadder = padding.PKCS7(128).unpadder()
         >>> data = unpadder.update(padded_data)