minor

Author: rsmckinney

README.md

@@ -1,6 +1,6 @@
 <br>
 
-<img width="600" height="146" align="top" src="./docs/images/manifold4_red.png">
+<img width="500" height="121" align="top" src="./docs/images/manifold4_red.png">
 
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