diff -r 2a0ddb392d2b -r 4c3d14a99441 main_templates4/README.md
--- a/main_templates4/README.md	Wed Nov 02 21:49:42 2022 +0000
+++ b/main_templates4/README.md	Thu Nov 03 09:55:11 2022 +0000
@@ -5,4 +5,5 @@
 * reference jar:
      [knight1.jar](https://nms.kcl.ac.uk/christian.urban/knight1.jar),
      [knight2.jar](https://nms.kcl.ac.uk/christian.urban/knight2.jar),
-     [knight3.jar](https://nms.kcl.ac.uk/christian.urban/knight3.jar)
\ No newline at end of file
+     [knight3.jar](https://nms.kcl.ac.uk/christian.urban/knight3.jar),
+     [knight4.jar](https://nms.kcl.ac.uk/christian.urban/knight4.jar)
\ No newline at end of file