diff --git a/src/main/java/com/ntlab/irisserver/resources/HelloWorld.java b/src/main/java/com/ntlab/irisserver/resources/HelloWorld.java
index 6730932..aec66ef 100644
--- a/src/main/java/com/ntlab/irisserver/resources/HelloWorld.java
+++ b/src/main/java/com/ntlab/irisserver/resources/HelloWorld.java
@@ -12,7 +12,7 @@
 public class HelloWorld {
     @GET
     public String getHello() {
-        return "Hello World！";
+        return "Hello World！（WebSocketバージョン）";
     }
 
 }