diff --git a/libnymea/interfaces/heatpump.json b/libnymea/interfaces/heatpump.json
index eb8a4621..94c1c68c 100644
--- a/libnymea/interfaces/heatpump.json
+++ b/libnymea/interfaces/heatpump.json
@@ -1,5 +1,5 @@
 {
-    "description": "The base for all heat pump interfaces. Can be used by the client to filter for heat pumps in the system."
+    "description": "The base for all heat pump interfaces. Can be used by the client to filter for heat pumps in the system.",
     "states": [
         {
             "name": "outdoorTemperature",