kc3-lang/SDL

diff --git a/docs/README-winrt.md b/docs/README-winrt.md
index caa8622..713dc9d 100644
--- a/docs/README-winrt.md
+++ b/docs/README-winrt.md
@@ -23,7 +23,7 @@ Requirements
   (NOTE: MSVC 2013 support is pending.  2012 projects may be converted to 2013
   projects by MSVC, in the meantime.)
 - A valid Microsoft account -- This requirement is not imposed by SDL, but
-  rather by Microsoft's Visual C++ toolchain.
+  rather by Microsoft's Visual C++ toolchain.  This is required to debug apps.
 
 
 TODO