diff --git a/BUILDING.md b/BUILDING.md
index 6ab63b2502..805c89a3cd 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -170,7 +170,8 @@ Prerequisites:
     including the Community edition (remember to select
     "Common Tools for Visual C++ 2015" feature during installation).
   * [Visual Studio 2017](https://www.visualstudio.com/downloads/), any edition (including the Build Tools SKU).
-    **Required Components:** "MSbuild", "VC++ 2017 v141 toolset" and one of the Windows SDKs (10 or 8.1).
+    **Required Components:** "MSbuild", "VC++ 2017 v141 toolset" and at least one of the Windows SDKs.
+    *Note*: For "Windows 10 SDK (10.0.15063.0)" only the "Desktop C++ x86 and x64" flavor is required.
 * Basic Unix tools required for some tests,
   [Git for Windows](http://git-scm.com/download/win) includes Git Bash
   and tools which can be included in the global `PATH`.