diff -r 9c80f411faa7 -r 59eeb22c9229 core_templates3/README.md
--- a/core_templates3/README.md	Mon Nov 08 18:57:50 2021 +0000
+++ b/core_templates3/README.md	Mon Nov 08 20:59:32 2021 +0000
@@ -1,4 +1,7 @@
-#assignment2021scala - Core 3
+# assignment2021scala - Core 3
 
-* deadline 21 January, 5pm
-* [coursework description](https://nms.kcl.ac.uk/christian.urban/core_cw03.pdf)
\ No newline at end of file
+* deadline: 21 January, 5pm
+* [coursework description](https://nms.kcl.ac.uk/christian.urban/core_cw03.pdf)
+* reference jar:
+    [postfix.jar](https://nms.kcl.ac.uk/christian.urban/postfix.jar),
+    [postfix2.jar](https://nms.kcl.ac.uk/christian.urban/postfix2.jar)
\ No newline at end of file