diff --git a/koki/map.html b/koki/map.html
index 24cd4eb..fb24976 100644
--- a/koki/map.html
+++ b/koki/map.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="ja">
 <head>
-<title>マップ: geoguessr</title>
+<title>マップ: GeoGuessr</title>
 <meta name="viewport" content="width=device-width, initial-scale=1" />
 <link rel="stylesheet" href="stamp.css">
 <link rel="stylesheet" href="src/leaflet.css" />	<!-- (1) -->
