From 4babcff8de8e89d1aae814f473711085647c0897 Mon Sep 17 00:00:00 2001
From: Sergey Lyubka <valenok@gmail.com>
Date: Mon, 3 Jun 2013 08:18:41 +0200
Subject: [PATCH] Update UserManual.md

---
 UserManual.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/UserManual.md b/UserManual.md
index ac4583673..701ee2457 100644
--- a/UserManual.md
+++ b/UserManual.md
@@ -244,7 +244,9 @@ directory is commonly referenced as dot (`.`).
 
 ### ssl_certificate
 Path to SSL certificate file. This option is only required when at least one
-of the `listening_ports` is SSL.
+of the `listening_ports` is SSL. The file must be in PEM format,
+and it must have both private key and certificate, see for example
+[ssl_cert.pem](https://github.com/valenok/mongoose/blob/master/build/ssl_cert.pem)
 
 ### num_threads `50`
 Number of worker threads. Mongoose handles each incoming connection in a
-- 
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