diff --git a/demo/index.html b/demo/index.html
index 99ae413d..ef8f3891 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -36,7 +36,7 @@
     <hr/>
     <p><strong>Attention:</strong> The demo is a barebones implementation and is designed for the development and evaluation of xterm.js only. Exposing the demo to the public as is would introduce security risks for the host.</p>
     <button id="dispose" title="This is used to testing memory leaks">Dispose terminal</button>
-    <button id="webgl"">Enable WebGL Renderer</button>
+    <button id="webgl">Enable WebGL Renderer</button>
     <script src="dist/client-bundle.js" defer ></script>
   </body>
 </html>
diff --git a/tsconfig.all.json b/tsconfig.all.json
index bc633fe6..06efafcb 100644
--- a/tsconfig.all.json
+++ b/tsconfig.all.json
@@ -7,7 +7,7 @@
     { "path": "./addons/xterm-addon-attach/src" },
     { "path": "./addons/xterm-addon-fit/src" },
     { "path": "./addons/xterm-addon-search/src" },
-    { "path": "./addons/xterm-addon-web-links/src" }
+    { "path": "./addons/xterm-addon-web-links/src" },
     { "path": "./addons/xterm-addon-webgl/src" }
   ]
 }