address review

Author: JoaoJandre

api/src/main/java/org/apache/cloudstack/api/ApiConstants.java

@@ -1326,7 +1326,7 @@ public class ApiConstants {
     public static final String IMPORT_SOURCE = "importsource";
     public static final String TEMP_PATH = "temppath";
     public static final String HEURISTIC_RULE = "heuristicrule";
-    public static final String HEURISTIC_TYPE_VALID_OPTIONS = "Valid options are: ISO, SNAPSHOT, TEMPLATE and VOLUME.";
+    public static final String HEURISTIC_TYPE_VALID_OPTIONS = "Valid options are: ISO, SNAPSHOT, BACKUP, TEMPLATE and VOLUME.";
     public static final String MANAGEMENT = "management";
     public static final String IS_VNF = "isvnf";
     public static final String VNF_NICS = "vnfnics";