diff --git a/source/case_0.rst b/source/case_0.rst
index c788336..b01e445 100644
--- a/source/case_0.rst
+++ b/source/case_0.rst
@@ -2,7 +2,7 @@
 .. _case_0:
 
 .. figure:: ./images/case0.png
-    :scale: 90 %
+    :scale: 50 %
     :align: center
     :figclass: align-center