diff --git a/TracerOnJavassist/src/tracer/MyPrintStream.java b/TracerOnJavassist/src/tracer/MyPrintStream.java
index c703ffb..bb76bfb 100644
--- a/TracerOnJavassist/src/tracer/MyPrintStream.java
+++ b/TracerOnJavassist/src/tracer/MyPrintStream.java
@@ -2,6 +2,12 @@
 
 import java.util.ArrayList;
 
+/**
+ * �g���[�X�o�͗p���[�e�B���e�B
+ * 
+ * @author Nitta
+ *
+ */
 public class MyPrintStream extends Thread {
 	private static MyPrintStream theInstance;
 	private static ArrayList<String> output;