diff --git a/README.md b/README.md
index 1f15739..1fccd55 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,12 @@ Developed with [Zola].
 
 ## Development
 
+
+On initial setup, need to checkout submodules:
+```bash
+git submodule update --init
+```
+
 ```bash
 zola serve
 ```