diff --git a/index.html b/index.html
index 4836d56..539c1b4 100644
--- a/index.html
+++ b/index.html
@@ -86,12 +86,12 @@ <h2>拡張機能</h2>
         <button type="button" onclick="changeGroupIcons()">グループアイコン変更</button>
                
 <div class="dividing">
-    <p class="sectionTitle">フレンドURL作成</p>
-    <button type="button" class="sectionButton" id="createFriendInvite">Create Invite</button>
+    <p class="sectionTitle">フレンド招待URL</p>
+    <button type="button" class="sectionButton" id="createFriendInvite">リンク作成</button>
 </div>
 <div class="dividing">
     <input type="text" id="friendInviteUrl" class="textOutput" readonly>
-    <button type="button" class="sectionButton" onclick="copyToClipboard('friendInviteUrl')">Copy URL</button>
+    <button type="button" class="sectionButton" onclick="copyToClipboard('friendInviteUrl')">コピー</button>
 </div>
     </form>