correct link to code of conduct

Author: jbferet

CONTRIBUTING.md

@@ -29,7 +29,7 @@ All types of contributions are encouraged and valued. See the [Table of Contents
 ## Code of Conduct
 
 This project and everyone participating in it is governed by the
-[prospect Code of Conduct](https://github.com/jbferet/prospectblob/master/CODE_OF_CONDUCT.md).
+[prospect Code of Conduct](https://github.com/jbferet/prospect/blob/master/CODE_OF_CONDUCT.md).
 By participating, you are expected to uphold this code. Please report unacceptable behavior
 to <jb.feret@teledetection.fr>.