diff --git a/README.rst b/README.rst
index b1d3477..2cb597e 100644
--- a/README.rst
+++ b/README.rst
@@ -2,10 +2,10 @@ Lithophane Lantern
 ==================
 
 .. image:: img/build_with_light.jpg
-   :title: The lithophane lantern with light on
+   :alt: The lithophane lantern with light on
 
 .. image:: img/build_off.jpg
-   :title: The lithophane lantern with light off
+   :alt: The lithophane lantern with light off
 
 These files are under EUPL-1.2 license. You can use them as is, without
 any guarantee.