diff --git a/debian/copyright b/debian/copyright
index 23f7891..5b5fabc 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -282,6 +282,23 @@ https://exchange.icinga.org/exchange/check_smart+hwraid
   License: public-domain
   
 
+------------------------------------------------------------------------------
+
+check_ssl_cert:
+
+The plugin was downloaded from: 
+https://github.com/matteocorti/check_ssl_cert/blob/master/check_ssl_cert
+
+  Copyright (c) 2007-2013 ETH Zurich
+  Copyright (c) 2007-2016 Matteo Corti
+  
+  License: GPL v3
+  
+    On Debian systems, the complete text of the GNU General
+    Public License version 3 can be found in "/usr/share/common-licenses/GPL-3".
+  
+  
+
 ------------------------------------------------------------------------------
 
 check_tftp: