diff --git a/texthook/engine/engine.h b/texthook/engine/engine.h
index e1d63e6..0552b02 100644
--- a/texthook/engine/engine.h
+++ b/texthook/engine/engine.h
@@ -1,8 +1,7 @@
-#pragma once
+#pragma once
 
 // engine/engine.h
 // 8/23/2013 jichi
-// See: http://ja.wikipedia.org/wiki/プロジェクト:美少女ゲーム系/ゲームエンジン
 
 #include <windows.h>
 
diff --git a/texthook/engine/match32.cc b/texthook/engine/match32.cc
index dc8c9ed..63b015d 100644
--- a/texthook/engine/match32.cc
+++ b/texthook/engine/match32.cc
@@ -1,4 +1,4 @@
-// match.cc
+// match.cc
 // 8/9/2013 jichi
 // Branch: ITH_Engine/engine.cpp, revision 133
 
diff --git a/texthook/engine/native/pchooks.cc b/texthook/engine/native/pchooks.cc
index 40e026f..77ca7e7 100644
--- a/texthook/engine/native/pchooks.cc
+++ b/texthook/engine/native/pchooks.cc
@@ -1,4 +1,4 @@
-// pchooks.cc
+// pchooks.cc
 // 8/1/2014 jichi
 
 #include "pchooks.h"
diff --git a/texthook/util/util.cc b/texthook/util/util.cc
index 8ca8239..03d5779 100644
--- a/texthook/util/util.cc
+++ b/texthook/util/util.cc
@@ -1,4 +1,4 @@
-// util/util.cc
+// util/util.cc
 // 8/23/2013 jichi
 // Branch: ITH_Engine/engine.cpp, revision 133
 // See: http://ja.wikipedia.org/wiki/プロジェクト:美少女ゲーム系/ゲームエンジン