diff --git a/src/client/components/map/LeafletMap.js b/src/client/components/map/LeafletMap.js
index d6befcd37486171cf4cf0965e9bf2770ccdb8e52..4f2863561f2022f2e3d4b39a564bb3303d30f284 100644
--- a/src/client/components/map/LeafletMap.js
+++ b/src/client/components/map/LeafletMap.js
@@ -27,9 +27,10 @@ const ColorIcon = L.Icon.extend({
 class LeafletMap extends React.Component {
 
   componentDidMount() {
-    //
+    // https://avaa.tdata.fi/web/kotus/rajapinta
+    // Ilmiöt:
+    //    kotus:paikkatieto_view
     // Taustakartan rajat:
-    //
     //   kotus:pitajat
     //   kotus:rajat-sms-alueosat  murrealueenosat
     //   kotus:rajat-lansi-ita
diff --git a/src/server/index.js b/src/server/index.js
index a80beaf3e6586a67a564004bccb11b4a3a6e5789..de2dd1518a378c054051ece808bae48e1e280b25 100644
--- a/src/server/index.js
+++ b/src/server/index.js
@@ -78,6 +78,7 @@ const getWFSLayers = (layerIDs) => {
 
 const getWFSLayer = (layerID) => {
   return new Promise((resolve, reject) => {
+    // https://avaa.tdata.fi/web/kotus/rajapinta
     const url = 'http://avaa.tdata.fi/geoserver/kotus/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=' + layerID + '&srsName=EPSG:4326&outputformat=json';
     request
       .get(url)