diff --git a/docs/spinel/index.html b/docs/spinel/index.html
index f356e2c..a5468ab 100644
--- a/docs/spinel/index.html
+++ b/docs/spinel/index.html
@@ -7,7 +7,7 @@
     <meta name="author" content="sacckey" />
     <meta name="description" content="Game Boy emulator written in Ruby, compiled with Spinel to WebAssembly" />
     <meta property="og:url" content="https://sacckey.github.io/rubyboy/spinel/" />
-    <meta property="og:title" content="Ruby Boy" />
+    <meta property="og:title" content="Ruby Boy (Spinel)" />
     <meta property="og:description" content="Game Boy emulator written in Ruby, compiled with Spinel to WebAssembly" />
     <meta property="og:image" content="https://sacckey.github.io/rubyboy/ogp.png" />
     <meta name="twitter:card" content="summary_large_image" />
diff --git a/wasm/build.py b/wasm/build.py
index 0416c3d..7a5f421 100644
--- a/wasm/build.py
+++ b/wasm/build.py
@@ -92,6 +92,7 @@ def main():
     html = html.replace('CRuby compiled to WebAssembly', 'Ruby compiled to C, then to WebAssembly')
     html = html.replace('property="og:url" content="https://sacckey.github.io/rubyboy/"',
                         'property="og:url" content="https://sacckey.github.io/rubyboy/spinel/"')
+    html = html.replace('property="og:title" content="Ruby Boy"', 'property="og:title" content="Ruby Boy (Spinel)"')
     (output / 'index.html').write_text(html)
     size = (output / 'rubyboy-spinel.wasm').stat().st_size
     print(f"Built {output / 'rubyboy-spinel.wasm'}: {size:,} bytes")