diff --git a/docs/demo/she.html b/docs/demo/she.html
index c9e4926..9c50d69 100644
--- a/docs/demo/she.html
+++ b/docs/demo/she.html
@@ -1,13 +1,13 @@
 <!DOCTYPE html> 
 <html lang="ja">
 <head>
-<meta charset="UTF-8">
-<title>SHE with 1multi sample</title>
-<link rel="stylesheet" href="style.css" type="text/css">
-<script type='text/javascript' src="./she_c.js"></script>
-<script type='text/javascript' src="./she.js"></script>
-<script type='text/javascript' src="./she-demo.js"></script>
-</script>
+	<meta charset="UTF-8">
+	<title>SHE with 1multi sample</title>
+	<link rel="stylesheet" type="text/css">
+	<script src="./she_c.js"></script>
+	<script src="./she.js"></script>
+	<script src="./she-demo.js"></script>
+	</script>
 </head>
 <body>
 <p>
diff --git a/docs/demo/she2.html b/docs/demo/she2.html
index ee9bc86..3611e5e 100644
--- a/docs/demo/she2.html
+++ b/docs/demo/she2.html
@@ -1,57 +1,55 @@
-<!DOCTYPE HTML>
-<html>
-<head>
-	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-	<meta http-equiv="Content-Script-Type" content="text/javascript">
-	<meta http-equiv="Content-Style-Type" content="text/css">
-	<title>Two-level Homomorphic Encryption demo</title>
-	<link rel="stylesheet" type="text/css" href="style.css">
-	<script type='text/javascript' src="jquery-3.2.1.min.js"></script>
-	<script type='text/javascript' src="she_c.js"></script>
-	<script type='text/javascript' src="she.js"></script>
-	<script type="text/javascript" src="she-demo2.js"></script>
-</head>
-<body>
-<h1>Two-level Homomorphic Encryption demo</h1>
-<div>
-library status <span name="status">initializing...</span>
-</div>
-
-<div id="left">
-<h2>Client</h2>
-secretKey : <div name="sec" class="hex"></div>
-
-<table border=1 id="client_table" width="100%" summary="client">
-<tr id="client_header"><th>x<th>y<th class="hex">EncG1(x)<th class="hex">EncG2(y)</tr>
-</table>
-<input type="text" name="append" value="1,1">
-<button type="button" onclick="append()">1. append "x,y" and encrypt them (multiple times)</button>
-<br>
-<button type="button" onclick="send()">2. send to server</button>
-<div>received ciphertext</div>
-<div name="encSumC" class="hex">0</div>
-<button type="button" onclick="dec()">6. decode ciphertext</button>
-<div name="ret">0</div>
-
-</div>
-
-<div id="middle">
-</div>
-
-<div id="right">
-
-<h2>Server</h2>
-publicKey : <div name="pub" class="hex"></div>
-
-<table border=1 id="server_table" width="100%" summary="server">
-</table>
-<button type="button" onclick="mul()">3. compute EncGT(x * y) := EncG1(x) * EncG2(y) for each row</button><br>
-<button type="button" onclick="sum()">4. sum of all values in EncGT(x * y) column</button>
-<div>result</div>
-<div name="encSumS" class="hex">0</div>
-<button type="button" onclick="recv()">5. return to client</button>
-
-</div>
-
-</body>
-</html>
+<!DOCTYPE html>
+<html lang="ja">
+<head>
+	<meta charset="UTF-8">
+	<title>Two-level Homomorphic Encryption demo</title>
+	<link rel="stylesheet" href="style.css">
+	<script src="jquery-3.2.1.min.js"></script>
+	<script src="she_c.js"></script>
+	<script src="she.js"></script>
+	<script src="she-demo2.js"></script>
+</head>
+<body>
+<h1>Two-level Homomorphic Encryption demo</h1>
+<div>
+library status <span name="status">initializing...</span>
+</div>
+
+<div id="left">
+<h2>Client</h2>
+secretKey : <div name="sec" class="hex"></div>
+
+<table border=1 id="client_table" width="100%" summary="client">
+<tr id="client_header"><th>x<th>y<th class="hex">EncG1(x)<th class="hex">EncG2(y)</tr>
+</table>
+<input type="text" name="append" value="1,1">
+<button type="button" onclick="append()">1. append "x,y" and encrypt them (multiple times)</button>
+<br>
+<button type="button" onclick="send()">2. send to server</button>
+<div>received ciphertext</div>
+<div name="encSumC" class="hex">0</div>
+<button type="button" onclick="dec()">6. decode ciphertext</button>
+<div name="ret">0</div>
+
+</div>
+
+<div id="middle">
+</div>
+
+<div id="right">
+
+<h2>Server</h2>
+publicKey : <div name="pub" class="hex"></div>
+
+<table border=1 id="server_table" width="100%" summary="server">
+</table>
+<button type="button" onclick="mul()">3. compute EncGT(x * y) := EncG1(x) * EncG2(y) for each row</button><br>
+<button type="button" onclick="sum()">4. sum of all values in EncGT(x * y) column</button>
+<div>result</div>
+<div name="encSumS" class="hex">0</div>
+<button type="button" onclick="recv()">5. return to client</button>
+
+</div>
+
+</body>
+</html>
