diff --git a/include/ame_AudioBuffer.hpp b/include/ame_AudioBuffer.hpp
index 2d48be4d..d2f15947 100644
--- a/include/ame_AudioBuffer.hpp
+++ b/include/ame_AudioBuffer.hpp
@@ -1,6 +1,6 @@
 /** 
     Audio buffer.
-    @file audioBuffer.hpp
+    @file ame_AudioBuffer.hpp
     @author Akiyuki Okayasu (akiyuki.okayasu@gmail.com)
     @copyright Copyright (c) 2021 - Akiyuki Okayasu
     
@@ -9,8 +9,6 @@
 
 #pragma once
 
-#include "ame_AudioBuffer.hpp"
-
 #include <algorithm>
 #include <array>
 #include <cassert>
diff --git a/include/ame_Delay.hpp b/include/ame_Delay.hpp
index 18cb3ee6..abed82c1 100644
--- a/include/ame_Delay.hpp
+++ b/include/ame_Delay.hpp
@@ -1,6 +1,6 @@
 /**
     Fractional delay.
-    @file delay.hpp
+    @file ame_Delay.hpp
     @author Akiyuki Okayasu (akiyuki.okayasu@gmail.com)
     @copyright Copyright (c) 2021 - Akiyuki Okayasu
 
diff --git a/include/ame_Math.hpp b/include/ame_Math.hpp
index 009ca532..473d16a8 100644
--- a/include/ame_Math.hpp
+++ b/include/ame_Math.hpp
@@ -1,6 +1,6 @@
 /** 
-    Special functions
-    @file specialFunctions.hpp
+    Math functions
+    @file ame_Math.hpp
     @author Akiyuki Okayasu (akiyuki.okayasu@gmail.com)
     @copyright Copyright (c) 2021 - Akiyuki Okayasu
     
diff --git a/include/ame_String.hpp b/include/ame_String.hpp
index 275f3932..96c71e41 100644
--- a/include/ame_String.hpp
+++ b/include/ame_String.hpp
@@ -1,6 +1,6 @@
 /** 
     String utilities.
-    @file stringUtilities.hpp
+    @file ame_String.hpp
     @author Akiyuki Okayasu (akiyuki.okayasu@gmail.com)
     @copyright Copyright (c) 2021 - Akiyuki Okayasu