Update ADHybridHealthService.json (Azure#3874)

Author: sergey-shandar

specification/adhybridhealthservice/resource-manager/Microsoft.ADHybridHealthService/stable/2014-01-01/ADHybridHealthService.json

@@ -3299,7 +3299,7 @@
           "type": "string"
         },
         "properties": {
-          "description": "The list of properties which are included in the aditional information.",
+          "description": "The list of properties which are included in the additional information.",
           "type": "object",
           "items": {
             "$ref": "#/definitions/Item"