diff --git a/changes.md b/changes.md
index adfc4a8..e394c23 100644
--- a/changes.md
+++ b/changes.md
@@ -32,3 +32,4 @@ v1.0.0 (Unreleased)
 -----
     * Embedded pyparsing package as a supporting library for new selector syntax
     * Added a check to remove any disallowed characters from the document name when executing a script
+    * Added advanced example of 3D printer extruder support (thanks @adam-urbanczyk)