diff --git a/README.md b/README.md
index 4122c9b..fd51505 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ files for their metadata.
 ```sh
 $ brew install ffmpeg
 $ git clone https://git.squad51.us/jamie/ucsinfer.git
-$ git submodule sync
+$ git submodule update --init
 $ python -m venv .venv
 $ source .venv/bin/activate # or whatever command is approprate for your shell
 $ pip install -e .