diff --git a/README.md b/README.md
index 8d87bbd..89f662d 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,9 @@ You can also start by calling `ace-window` and then decide to switch the action
- i - maximize window (select which window)
- o - maximize current window
-In order for it to work, these keys *must not* be in `aw-keys` and you have to have `aw-dispatch-always` set to `t`.
+In order for it to work, these keys *must not* be in
+`aw-keys`. Additionally, if you want these keys to work with less than
+three windows, you need to have `aw-dispatch-always` set to `t`.
## Customization
Aside from binding `ace-window`: