Locally fix typo for hellocat/README

examples/hellocat/README

@@ -34,7 +34,7 @@ within each stage. Keys with leading underscore are reserved for future internal
 {"_presentation": "semantic",
  "stages": ["Test Results", "Summary"],
   "Test Results": {"make": {"passed": false}},
-  "Summary": {"_presentation_order": ["Tests Count", "Tests Passed", "Tests Failed", "Tests Ignored"],
+  "Summary": {"_order": ["Tests Count", "Tests Passed", "Tests Failed", "Tests Ignored"],
               "Tests Count": 2, "Tests Passed": 0,
               "Tests Failed": 1, "Tests Ignored": 1},
 {"scores": {"Correctness": 0}}