diff --git a/README.md b/README.md
index 4ac4e74..ab870ef 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
 # Formula 1™ circuits
 
-* [Formula 1™ circuits data in TopoJSON format](f1-circuits.json)
-* [List of F1™ circuits in GeoJSON format](f1-locations.geojson)
-* [List of F1™ circuits in JSON format](f1-locations.json):
+* [Formula 1™ circuits tracks data in TopoJSON format](f1-circuits.json)
+* [Points of F1™ circuits in GeoJSON format](f1-locations.geojson)
+* [Points of F1™ circuits in JSON format](f1-locations.json):
 
 | Location | Name | Opened | Length | Lat | Lon | Zoom |
 |:---|:---|:---:|---:|---:|---:|:---:|
diff --git a/f1-locations.geojson b/f1-locations.geojson
index 9b5451d..2171b4c 100644
--- a/f1-locations.geojson
+++ b/f1-locations.geojson
@@ -236,7 +236,7 @@
                 "location": "Shanghai",
                 "opened": "2004",
                 "length": "5451m",
-                "lat": "",
+                "lat": "31.340",
                 "lon": "121.221",
                 "zoom": "14"
             }            
@@ -332,7 +332,7 @@
                 "location": "Suzuka",
                 "opened": "1962",
                 "length": "5807m",
-                "lat": "",
+                "lat": "34.844",
                 "lon": "136.534",
                 "zoom": "14"
             }