diff --git a/REMEMBER_TO_GET_SUBMODULES b/REMEMBER_TO_GET_SUBMODULES
new file mode 100644
index 0000000..ecf8cf9
--- /dev/null
+++ b/REMEMBER_TO_GET_SUBMODULES
@@ -0,0 +1,5 @@
+This repository has sub-modules! Be sure to get them with
+
+	git submodule update --init --recursive
+
+otherwise things will break!