diff --git a/README.md b/README.md
index f80ae92..5fa9828 100644
--- a/README.md
+++ b/README.md
@@ -6,3 +6,5 @@ $ cmake ..
 $ make
 ```
 This will create you the static-library file: _flippr-code/FlippR-Driver/bin/libFlippR-Driver.a_
+
+The library uses wiringPi Pin numbering