Add an extra backslash for path in Windows
diff --git a/WindowsBuild.md b/WindowsBuild.md
index 5275d9d..edb6d6c 100644
--- a/WindowsBuild.md
+++ b/WindowsBuild.md
@@ -6,7 +6,7 @@
 
 It will download some installers to your desktop, which you should run. Just click through; all the defaults are fine.
 
-Then it will check out Go and place it in c:\Users\%USER%\goroot and build it.
+Then it will check out Go and place it in c:\Users\\%USER%\goroot and build it.
 
 That's it.