diff --git a/config.sample.json b/config.sample.json
index 2c269681f2..4e31334b75 100644
--- a/config.sample.json
+++ b/config.sample.json
@@ -48,7 +48,7 @@
         "feature_element_call_video_rooms": true
     },
     "element_call": {
-        "url": "https://call.element.io",
+        "url": "https://call.element.io"
     },
     "map_style_url": "https://api.maptiler.com/maps/streets/style.json?key=fU3vlMsMn4Jb6dnEIFsx"
 }