Update CONTRIBUTING.md

Author: thinkingserious

CONTRIBUTING.md

@@ -107,7 +107,7 @@ This allows for the following mapping from a URL to a method chain:
 
 All PRs require passing tests before the PR will be reviewed.
 
-All test files are in the `[UnitTest](https://github.com/sendgrid/csharp-http-client/tree/master/UnitTest)` directory.
+All test files are in the [`UnitTest`](https://github.com/sendgrid/csharp-http-client/tree/master/UnitTest) directory.
 
 For the purposes of contributing to this repo, please update the [`UnitTest.cs`](https://github.com/sendgrid/csharp-http-client/blob/master/UnitTest/UnitTest.cs) file with unit tests as you modify the code.
 
@@ -181,4 +181,4 @@ Generally, we follow the style guidelines as suggested by the official language.
 7. [Open a Pull Request](https://help.github.com/articles/using-pull-requests/)
     with a clear title and description against the `master` branch. All tests must be passing before we will review the PR.
 
-If you have any additional questions, please feel free to [email](mailto:dx@sendgrid.com) us or create an issue in this repo.
+If you have any additional questions, please feel free to [email](mailto:dx@sendgrid.com) us or create an issue in this repo.