diff --git a/src/main/scala/gitbucket/core/util/JDBCUtil.scala b/src/main/scala/gitbucket/core/util/JDBCUtil.scala
index 34bee29..f96cfd1 100644
--- a/src/main/scala/gitbucket/core/util/JDBCUtil.scala
+++ b/src/main/scala/gitbucket/core/util/JDBCUtil.scala
@@ -9,7 +9,10 @@
 
 /**
  * Provides implicit class which extends java.sql.Connection.
- * This is used in automatic migration in [[servlet.AutoUpdateListener]].
+ * This is used in following points:
+ *
+ * - Automatic migration in [[gitbucket.core.servlet.InitializeListener]]
+ * - Data importing / exporting in [[gitbucket.core.controller.SystemSettingsController]] and [[gitbucket.core.controller.FileUploadController]]
  */
 object JDBCUtil {