Update README.rst

Author: babbush

README.rst

@@ -84,8 +84,8 @@ Authors
 `Hannah Sim <https://github.com/hsim13372>`__ (Harvard),
 `Mark Steudtner <https://github.com/msteudtner>`__  (Leiden University),
 `Qiming Sun <https://github.com/sunqm>`__ (Caltech),
-`Wei Sun <https://github.com/Spaceenter>`__ (Google),
-`Fang Zhang <https://github.com/fangzh-umich>`__ (University of Michigan) and
+`Wei Sun <https://github.com/Spaceenter>`__ (Google) and
+`Fang Zhang <https://github.com/fangzh-umich>`__ (University of Michigan).
 
 How to cite
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