diff --git a/README.md b/README.md
index 384904f..896d492 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,7 @@ for the `doc` and `complete` commands.
 ```
 $ odd setup          # show the opam configuration to be added
 $ odd setup --apply  # add it to ~/.opam/config via `opam option`
+$ odd rebuild --all  # Initial (slow!) build of all the docs
 ```
 
 The odoc driver (`odd-driver`) is bundled with `odd` (vendored under