add link to docker doc on fs performance on OS X

remote-release-notes/v1_38.md

@@ -36,7 +36,7 @@ Currently all folders must have the folder with the `.workspace` file as their p
 
 ### Mount consistency
 
-The consistency for the default mount point is now `cached`, which should improve file performance on macOS. This can be configured with the Workspace Mount Consistency setting.
+The consistency for the default mount point is now `cached`, which should improve [file performance on macOS](https://docs.docker.com/docker-for-mac/osxfs-caching/). This can be configured with the Workspace Mount Consistency setting.
 
 ![Edit Remote Settings](images/1_38/consistency-setting.png).