diff --git a/src/main/scala/app/UsersController.scala b/src/main/scala/app/UsersController.scala
index 6daaf55..3ca0075 100644
--- a/src/main/scala/app/UsersController.scala
+++ b/src/main/scala/app/UsersController.scala
@@ -8,6 +8,7 @@
 
 trait UsersControllerBase extends ControllerBase { self: AccountService =>
   
+  // TODO ユーザ名の先頭に_は使えないようにする＆利用可能文字チェック
   case class UserForm(userName: String, password: String, mailAddress: String, userType: Int, url: Option[String])
   
   val newForm = mapping(
diff --git a/src/main/scala/app/WikiController.scala b/src/main/scala/app/WikiController.scala
index c8483a9..38dfc7c 100644
--- a/src/main/scala/app/WikiController.scala
+++ b/src/main/scala/app/WikiController.scala
@@ -10,6 +10,7 @@
 
 trait WikiControllerBase extends ControllerBase { self: WikiService with RepositoryService =>
 
+  // TODO ユーザ名の先頭に_は使えないようにする
   case class WikiPageEditForm(pageName: String, content: String, message: Option[String], currentPageName: String)
   
   val newForm = mapping(