scripts/open_aerie: fix comment; wrong creds should get 403

scripts/open_aerie.sh

@@ -9,7 +9,7 @@ curl -XPOST \
   --data '{"consumer_key": "test123","consumer_secret":"123test","aerie":true }' \
   http://localhost:3000/api/update -vvv
 
-#should return 500
+#should return 403
 curl -XPOST \
   -H "Content-Type: application/json" \
   --data '{"consumer_key": "foo","consumer_secret":"bar","aerie":true }' \