Update README

Author: james-cnz

README.md

@@ -3,7 +3,7 @@
 Shows multiple topics per page, with tabbed navigation between pages.
 Topics are collapsible, and can optionally be timed.
 
-If you like the Multitopic format, and use the latest version,
+If you like the Multitopic format, and use the latest version for a supported version of Moodle,
 please support the project by reporting any bugs you find.
 
 Developed at [Otago Polytechnic](https://www.op.ac.nz/) by James Calder.