diff --git a/README.md b/README.md
index 121feb7fb3518d33e7b559a423611c53f362291d..7c01366795a6324c9f013095087fd2cb5302ddb7 100644
--- a/README.md
+++ b/README.md
@@ -10,3 +10,4 @@ This picture shows a 3D rendering of a pine needle.
 
 <img src="data/pine_zoom.png" width="400"/>
 
+It is impressive how regular the inner structure of a pine needle is.