chore: Update docs for converter2

.github/CONTRIBUTING.md

@@ -103,7 +103,10 @@ To compile the TypeDoc source, run `npm run build`. This will start the TypeScri
 
 TypeDoc includes an extensive set of tests that describe its output. To validate any changes you have made, build the project and then run `npm test`. Alternatively, to rebuild with your changes and then immediately test, run `npm run build_and_test`.
 
-If you have changed the TypeDoc output, it will cause tests to fail. Once you have validated that the introduced changes were intended, run `node scripts/rebuild_specs` to update the spec files for the new output.
+If you have changed the TypeDoc output, it will cause tests to fail. Once you have validated that the introduced changes were intended, run `npm run rebuild_specs` to update the spec files for the new output.
+
+Additional tests are contained within the `converter2` directory that look for specific issues with previous
+builds and may be more appropriate for adding a test for a bugfix.
 
 ## Pull Requests