diff --git a/README.md b/README.md
index 7f66c23..f7e3a69 100644
--- a/README.md
+++ b/README.md
@@ -5,4 +5,6 @@ MUD game, in rust, so that hopefully it goes fast and doesn't break things.
 Under heavy development. Much is currently unimplemented or not completely
 implemented yet.
 
+API docs can be built with `cargo doc`. Not yet complete, though.
+
 If you really want to, clone the repo and run it with cargo.