diff --git a/BUILDING.md b/BUILDING.md
index 02c0e6a5..449df266 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -1,6 +1,15 @@
-## Getting `rlwrap`
+## Getting ready to go
+
+You'll need [Leiningen](http://leiningen.org).
 
 ```
+# If you use nvm.
+nvm use 6
+
+lein deps
+npm install
+
+# If you want a decent REPL.
 brew install rlwrap
 ```