diff --git a/README.md b/README.md
index b4f3b99..58203af 100644
--- a/README.md
+++ b/README.md
@@ -107,4 +107,4 @@ docker run -d --name hastic-server -p 80:8000 -e HASTIC_API_KEY=<your_grafana_ap
 
 ### [0.1.1-alpha] - 2018-06-25
 #### Added
-- HASTIC_API_KEY to config file.
+- HASTIC_API_KEY to config file [#23](https://github.com/hastic/hastic-server/issues/23)