diff --git a/src/main/java/Main.java b/src/main/java/Main.java
index 9a33e4682..c3edd8018 100644
--- a/src/main/java/Main.java
+++ b/src/main/java/Main.java
@@ -1,6 +1,5 @@
 
 
-// dev branch for Y.Practicum
 public class Main {
 public static void main(final String[] args) {
 final Calculator calculator = new Calculator();
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://patch-diff.githubusercontent.com/raw/YurijKuznetsov/Java-Module-Project-YP/pull/3.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://patch-diff.githubusercontent.com/raw/YurijKuznetsov/Java-Module-Project-YP/pull/3.diff" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast" selected="selected">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>