Merge pull request rapidsai#646 from rapidsai/enh-contributing-link

[REVIEW] Fix broken link in contributing.md

CHANGELOG.md

@@ -26,6 +26,7 @@
 - PR #620: C++: Removed old unit-test files in ml-prims
 - PR #627: C++: Fixed dbscan crash issue filed in 613
 - PR #640: Remove setuptools from conda run dependency
+- PR #646: Update link in contributing.md
 - PR #649: Bug fix to LinAlg::reduce_rows_by_key prim filed in issue #648
 
 # cuML 0.7.0 (10 May 2019)

CONTRIBUTING.md

@@ -28,7 +28,7 @@ into three categories:
     or [help wanted](https://github.com/rapidsai/cuml/issues?q=is%3Aissue+is%3Aopen+label%3A%22help+wanted%22) labels
 3. Comment on the issue saying you are going to work on it.
 4. Get familar with the developer guide relevant for you:
-    * For C++ developers it is avaiable here [DEVELOPER_GUIDE.md](cuML/DEVELOPER_GUIDE.md)
+    * For C++ developers it is available here [DEVELOPER_GUIDE.md](cpp/DEVELOPER_GUIDE.md)
 5. Code! Make sure to update unit tests!
 6. When done, [create your pull request](https://github.com/rapidsai/cuml/compare).
 7. Verify that CI passes all [status checks](https://help.github.com/articles/about-status-checks/), or fix if needed.