1 files changed, 12 insertions, 1 deletions
diff --git a/synapse/res/templates/invalid_token.html b/synapse/res/templates/invalid_token.html
index 6bd2b98364..2c7c384fe3 100644
--- a/synapse/res/templates/invalid_token.html
+++ b/synapse/res/templates/invalid_token.html
@@ -1 +1,12 @@
-<html><body>Invalid renewal token.</body><html>
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Invalid renewal token.</title>
+</head>
+<body>
+    Invalid renewal token.
+</body>
+</html>