diff --git a/debian/copyright b/debian/copyright
index 9fde666..1fac39d 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -105,6 +105,26 @@ check_file:
   
   
 
+------------------------------------------------------------------------------
+
+check_iostat:
+
+The plugin was downloaded from: 
+https://exchange.nagios.org/directory/Plugins/Operating-Systems/Linux/check_iostat--2D-I-2FO-statistics/details
+
+  
+  
+
+------------------------------------------------------------------------------
+
+check_iostats:
+
+The plugin was downloaded from: 
+https://github.com/dnsmichi/icinga-plugins/blob/master/scripts/check_iostats
+
+  
+  
+
 ------------------------------------------------------------------------------
 
 check_ipsec: