Merge pull request #1795 from mloskot/ml/clarify-vcpkg-uninstall

Clarify removal of vcpkg directory uninstalls all libraries

Author: Colin Robertson

docs/build/vcpkg.md

@@ -176,7 +176,7 @@ You can modify your clone of vcpkg in any way you like. You can create multiple
 
 ## Uninstall vcpkg
 
-Just delete the directory.
+Just delete the vcpkg directory. Deleting this directory uninstalls the vcpkg distribution, and all the libraries that vcpkg has installed.
 
 ## Send feedback about vcpkg