fix link to add example

README.md

@@ -270,7 +270,7 @@ We're excited to see so many articles popping up on data ethics! The short list
 
 To make the ideas contained in the checklist more concrete, we've compiled [examples](http://deon.drivendata.org/examples/) of times when things have gone wrong. They're paired with the checklist questions to help illuminate where in the process ethics discussions may have helped provide a course correction.
 
-We welcome contributions! Follow [these instructions](https://github.com/drivendataorg/deon/wiki/Add-a-new-item-to-the-examples-table) to add an example.
+We welcome contributions! Follow [these instructions](https://github.com/drivendataorg/deon/blob/main/CONTRIBUTING.md#1-adding-a-new-item-to-the-examples-table) to add an example.
 
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