diff --git a/README.md b/README.md
index 3007bc8..5eb52ee 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,7 @@
 Welcome to System Installer, a powerful toolkit for setting up an installer for operating systems.
 
 ![Installer screenshot](https://git.jonathancarter.org/system-installer/system-installer-daemon/raw/branch/main/docs/screenshots/welcome.png)
+
 Dependencies:
  - flask
  - pytest
@@ -25,6 +26,20 @@ Recommended:
 This project uses gettext for translations. More instruction to follow...
 
 
+### Modules
+
+Back-end modules:
+
+* TODO: Explain DMM modules
+
+Front-end modules:
+
+* TODO: Explain Flask blueprint files
+
+API:
+
+A stable API doesn't exist yet, but it's planned!
+
 ## License
 
 This software is released under the GPL-2 license or later. See the LICENSE