diff --git a/README.md b/README.md
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--- a/README.md
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@@ -23,3 +23,4 @@ To comment on the lectures please add to or open an issue in the issue tracker (
 We welcome pull requests!  
 
 Please read the [QuantEcon style guide](https://manual.quantecon.org/intro.html) first, so that you can match our style.
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