diff --git a/README.md b/README.md
index d9ad4a4..98c0fc2 100644
--- a/README.md
+++ b/README.md
@@ -12,3 +12,9 @@ Following modules:
   * wxPython
 <br/>
 To build execute "build.py"
+
+Managing script (UI): Changer.py
+
+Main loop: wrapper.py
+
+Download, setting wallpaper etc.: backend.py