diff --git a/README.rst b/README.rst
index d62fdaa..bf8a180 100644
--- a/README.rst
+++ b/README.rst
@@ -37,7 +37,7 @@ To create a bolt (without head) with 5 turns of M4 thread:
         :width: 30%
         :alt: Bolt with M4 thread
 
-A nut:
+See these nice lead-in / lead-outs? Try a nut:
 
 .. code-block:: OpenSCAD
 
diff --git a/docs/imgs/bolt-M4.png b/docs/imgs/bolt-M4.png
index c7398ea..61ca02d 100644
Binary files a/docs/imgs/bolt-M4.png and b/docs/imgs/bolt-M4.png differ
diff --git a/docs/imgs/nut-M12x0.5.png b/docs/imgs/nut-M12x0.5.png
index 5f180b3..45985b0 100644
Binary files a/docs/imgs/nut-M12x0.5.png and b/docs/imgs/nut-M12x0.5.png differ