diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index ff0a73da..17cf5607 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -1,6 +1,7 @@
 * [@czyzby](https://github.com/czyzby)
   * Author of most libraries, main maintainer.
 * [@kotcrab](https://github.com/kotcrab/)
-  * Author of [VisUI](https://github.com/kotcrab/vis-editor/wiki/VisUI). Greatly contributed to [`gdx-lml-vis`](lml-vis) project.
+  * Author of [VisUI](https://github.com/kotcrab/vis-editor/wiki/VisUI) extension. Greatly contributed to [`gdx-lml-vis`](lml-vis) and [`gdx-lml-vis-tests`](examples/gdx-lml-vis-tests) projects.
 * [@jpsgamboa](https://github.com/jpsgamboa)
+* [@metaphore](https://github.com/metaphore)
   * Helpful suggestions, testing.