From 538506c41260a974bad0131f016dc640fa4baeab Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Wed, 7 May 2025 09:20:21 +0200
Subject: [PATCH] [Mercure] Explain the reason for --no-tls

---
 mercure.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mercure.rst b/mercure.rst
index c2aa068167d..ed89fe034f7 100644
--- a/mercure.rst
+++ b/mercure.rst
@@ -73,7 +73,8 @@ Thanks to :doc:`the Docker integration of Symfony </setup/docker>`,
 Run ``docker-compose up`` to start the hub if you have chosen this option.
 
 If you use the :doc:`Symfony Local Web Server </setup/symfony_server>`,
-you must start it with the ``--no-tls`` option.
+you must start it with the ``--no-tls`` option to prevent mixed content and
+invalid TLS certificate issues:
 
 .. code-block:: terminal