diff --git a/README.md b/README.md
index c15c6a64dd..ad9b23c257 100644
--- a/README.md
+++ b/README.md
@@ -712,7 +712,7 @@ See also <https://en.wikipedia.org/wiki/List_of_streaming_media_systems>, <https
   * [Mindmaps](https://github.com/drichard/mindmaps) - An open source, offline capable, mind mapping application. ([Demo](http://drichard.org/mindmaps/)) `AGPLv3` `HTML5`
   * [Musical Artifacts](https://musical-artifacts.com/) - Helping to catalog, preserve and free the artifacts you need to produce music. ([Source Code](https://github.com/lfzawacki/musical-artifacts)) `MIT` `Ruby`
   * [Skygear](https://skygear.io) - A complete backend server for web, mobile and iOT applcations. ([Demo](https://portal.skygear.io), [Source Code](https://github.com/SkygearIO/skygear-server)) `Apache` `Go`
-  * [Ulterius](https://ulterius.io) - Ulterius is an open-source remote desktop software with lots of awesome functions. ([Demo](http://ulterius.io/register), [Source Code](https://github.com/ulterius/server)) `MPLv2` `Node`
+  * [Ulterius](https://ulterius.io) - Ulterius is an open-source remote desktop software with lots of awesome functions. ([Demo](http://ulterius.io/register), [Source Code](https://github.com/Ulterius/server)) `MPLv2` `C#`
   * [webtrees](https://www.webtrees.net) - webtrees is the web's leading on-line collaborative genealogy application. ([Demo](https://dev.webtrees.net/demo-stable/index.php?ctype=gedcom&ged=demo), [Source Code](https://github.com/fisharebest/webtrees)) `GPLv3` `PHP`
 
 ## Money, Budgeting and Management