diff --git a/notes.md b/notes.md
index 01cdea2..a9ab58a 100644
--- a/notes.md
+++ b/notes.md
@@ -9,3 +9,4 @@
 ### commands
 
 - `docker exec -ti <container-name> bash` to run bash inside a running container
+- `git submodule update --init --recursive`