diff --git a/README.md b/README.md
index f7e0dfb..233d7a1 100644
--- a/README.md
+++ b/README.md
@@ -13,3 +13,7 @@ AccelStepper significantly improves on the standard Arduino Stepper library in s
   - Very slow speeds are supported
   - Extensive API
   - Subclass support
+
+---
+
+This fork follows the upstream version. Files are slightly reorganized to follow Arduino library conventions.