diff --git a/README.md b/README.md
index d94f03e..b04bc7f 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,3 @@
-# PM100_waist
\ No newline at end of file
+# PM100_waist
+
+Make your waist measurment easy with a Thorlabs PM100D.