diff --git a/docs/source/introduction.rst b/docs/source/introduction.rst
index 3f42591..348d009 100644
--- a/docs/source/introduction.rst
+++ b/docs/source/introduction.rst
@@ -42,8 +42,7 @@ create a single 3D data volume.
 
 .. figure:: /images/experimental-geometry.png
    :align: center
-   :width: 90%
-   :figwidth: 90%
+   :width: 80%
 
    *Experimental geometry used in NXRefine.*