diff --git a/docs/error/HttpError.html b/docs/error/HttpError.html
index 6d709188..5f65f1fd 100644
--- a/docs/error/HttpError.html
+++ b/docs/error/HttpError.html
@@ -31,7 +31,7 @@ <h2>Explanation</h2>
 the server don't allow us to fetch that file. The error shows the
 message that the server sent, which may help.</p>
 
-<p>If the error is "403 Forbidden" and your Web site uses a Web App Firewall, you may need to allow-list the feedvalidator User-Agent: <code>FeedValidator/1.3"</code>.</p>
+<p>If the error is "403 Forbidden" and your Web site uses a Web App Firewall, you may need to allow-list the feedvalidator User-Agent: <code>FeedValidator/1.3</code>.</p>
 
 </div>
 <h2>Solution</h2>