diff --git a/README.rst b/README.rst
index bdf0912..6b0afd5 100644
--- a/README.rst
+++ b/README.rst
@@ -9,6 +9,7 @@ Important things that you should know:
 - Although OpenID was built on top of OAuth2, this isn't an OAuth2 server. Maybe in a future it will be.
 - This cover ``authorization_code`` flow and ``implicit`` flow, NO support for ``hybrid`` flow at this moment.
 - Only support for requesting Claims using Scope Values.
+- Despite that implementation MUST support TLS. You can make request without using SSL. There is no control on that.
 
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 Installation