diff --git a/api/src/com/cloud/api/response/AlertResponse.java b/api/src/com/cloud/api/response/AlertResponse.java
index a8f7b759d5c..f5cc39ba0f1 100644
--- a/api/src/com/cloud/api/response/AlertResponse.java
+++ b/api/src/com/cloud/api/response/AlertResponse.java
@@ -30,7 +30,14 @@ public class AlertResponse extends BaseResponse {
     @SerializedName(ApiConstants.ID) @Param(description="the id of the alert")
     private IdentityProxy id = new IdentityProxy("alert");
 
-    @SerializedName(ApiConstants.TYPE) @Param(description="the alert type")
+    @SerializedName(ApiConstants.TYPE) @Param(description="One of the following alert types: " +
+      "MEMORY = 0, CPU = 1, STORAGE = 2, STORAGE_ALLOCATED = 3, PUBLIC_IP = 4, PRIVATE_IP = 5, HOST = 6, USERVM = 7, " +
+      "DOMAIN_ROUTER = 8, CONSOLE_PROXY = 9, ROUTING = 10: lost connection to default route (to the gateway), " +
+      "STORAGE_MISC = 11: lost connection to default route (to the gateway), " +
+      "USAGE_SERVER = 12: lost connection to default route (to the gateway), " +
+      "MANAGMENT_NODE = 13: lost connection to default route (to the gateway), " +
+      "DOMAIN_ROUTER_MIGRATE = 14, CONSOLE_PROXY_MIGRATE = 15, USERVM_MIGRATE = 16, VLAN = 17, SSVM = 18, " +
+      "USAGE_SERVER_RESULT = 19")
     private Short alertType;
 
     @SerializedName(ApiConstants.DESCRIPTION) @Param(description="description of the alert")