diff --git a/src/org/ntlab/pushPullRefactoring/SourceRewriter.java b/src/org/ntlab/pushPullRefactoring/SourceRewriter.java
index 36df940..df6a420 100644
--- a/src/org/ntlab/pushPullRefactoring/SourceRewriter.java
+++ b/src/org/ntlab/pushPullRefactoring/SourceRewriter.java
@@ -146,7 +146,14 @@
 		TextEditGroup dstEditGroup = new TextEditGroup("new class edit group");
 		dstUnitRewriteList.insertFirst(statement, dstEditGroup);
 	}
-
+	/**
+	 * 
+	 * @param astRewrite ���������Ώۂ�ASTRewrite
+	 * @param cu ���������Ώۂ�CompilationUnit
+	 * @param astNode cu���ɑ��݂���, ���������Ώۂ�AST
+	 * @param statementCode astNode�ɒlj�����X�e�[�g�����g��
+	 * @param childListPropertyDescriptor astNode��ChildListPropertyDescriptor
+	 */
 	protected void addStatement(ASTRewrite astRewrite, CompilationUnit cu, ASTNode astNode, String statementCode,
 			ChildListPropertyDescriptor childListPropertyDescriptor) {
 		ListRewrite dstUnitRewriteList = astRewrite.getListRewrite(astNode, childListPropertyDescriptor);