diff --git a/README.md b/README.md
index bfcd444..e0d683f 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,9 @@ Copy `kOS.xml` to `~/.PyCharm/config/filetypes/kOS.xml`.
 - PlanetShine
 - EngineLighting
 
+For easier testing of kOS scripts:
+- HyperEdit
+
 
 ## Various game fixes
 Add `-popupwindow` to launch options on Linux.