diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e69de29
diff --git a/README.md b/README.md
index 54c449e..b0b4c79 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,10 @@ Docs:
 Build:
 
 ```
+# ignore submodule changes, we will patch them
+git config submodule.excalidraw.ignore all
+
+make patch
 make images
 make generate-compose
 docker-compose up