diff --git a/notes/setup.md b/notes/setup.md
index e0d69c9..22395a5 100644
--- a/notes/setup.md
+++ b/notes/setup.md
@@ -1,6 +1,6 @@
 # Setup Windows
 
-* map caps to left-ctrl
+* map caps to left-ctrl using https://sharpkeys.codeplex.com/
 * install git for windows
 * edit ~/.profile and add `source ~/.bashrc`
 * after installing dotfiles, edit ~/.gitconfig and change the editor to be `vim` instead of `/usr/bin/vim`