Updated link to refer to new 'Coach' folder. Consider moving "tests" …

…code to Student/Resources folder and updating the link.

014-OSSDevOps/Student/challenge05.md

@@ -14,7 +14,7 @@ Develop a set of unit tests for the voting application. Since this application i
 
 ### Success Criteria
 
-If you are not familar a developer or not familar with Python do go ahead and skip this section but do review the [provided solution](../../Host/Solutions/challenge04/app/tests) to get a taste of how unit testing works.
+If you are not a developer or not familar with Python do go ahead and skip this section but do review the [provided solution](../Coach/Solutions/challenge04/app/tests) to get a taste of how unit testing works.
 
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