diff --git a/examples/g_spiral1.lisp b/examples/g_spiral1.lisp
index c2fcc22..741ef27 100644
--- a/examples/g_spiral1.lisp
+++ b/examples/g_spiral1.lisp
@@ -1,3 +1,6 @@
+; animated recusive spiral
+; click on "toggle animation"
+; by @local_guru
 (
  (defn rec
   (v)