diff --git a/TODO.md b/TODO.md
index 6951725d..d0a64a9d 100644
--- a/TODO.md
+++ b/TODO.md
@@ -38,5 +38,7 @@ notes to self
 
 - http://blogs.msdn.com/b/oldnewthing/archive/2014/02/26/10503148.aspx
 
+- build optimizations
+
 notes
 - http://blogs.msdn.com/b/oldnewthing/archive/2004/03/29/101121.aspx on accelerators