diff --git a/src/main/java/com/example/rhizome/exception/InsufficientPermissionException.java b/src/main/java/com/example/rhizome/exception/InsufficientPermissionException.java
index 934015a..711d945 100644
--- a/src/main/java/com/example/rhizome/exception/InsufficientPermissionException.java
+++ b/src/main/java/com/example/rhizome/exception/InsufficientPermissionException.java
@@ -1,12 +1,9 @@
 package com.example.rhizome.exception;
 
-/**
- * 権限不足の例外を表現するクラスです。
- */
 public class InsufficientPermissionException extends RuntimeException {
 
-    public InsufficientPermissionException(String message) {
-        super(message);
-    }
+	public InsufficientPermissionException(String message) {
+		super(message);
+	}
 
 }
diff --git a/src/main/java/com/example/rhizome/exception/NoSessionException.java b/src/main/java/com/example/rhizome/exception/NoSessionException.java
index 258d7a5..4cd67f3 100644
--- a/src/main/java/com/example/rhizome/exception/NoSessionException.java
+++ b/src/main/java/com/example/rhizome/exception/NoSessionException.java
@@ -1,12 +1,9 @@
 package com.example.rhizome.exception;
 
-/**
- * 権限不足の例外を表現するクラスです。
- */
 public class NoSessionException extends RuntimeException {
 
-    public NoSessionException(String message) {
-        super(message);
-    }
+	public NoSessionException(String message) {
+		super(message);
+	}
 
 }