diff --git a/ThirdPartyLicenses/C# Webserver.txt b/ThirdPartyLicenses/C# Webserver.txt
index b99689154b..9526ae1ed5 100644
--- a/ThirdPartyLicenses/C# Webserver.txt	
+++ b/ThirdPartyLicenses/C# Webserver.txt	
@@ -1,3 +1,5 @@
+Embedded http lister uses some code derived from Gauffin Telecom AB HttpServer
+
 Files: HttpServer_OpenSim.dll
 
 Apache License