Edit README.md

README.md

@@ -33,7 +33,7 @@ A repository of Formula 1™ circuits in [GeoJSON](http://geojson.org/) format.
 
 ## Summary
 
-Total 21 out of [72 circuits that have hosted a Grand Prix](https://en.wikipedia.org/wiki/List_of_Formula_One_circuits).
+Currently, the repository holds 21 out of [72 circuits that have hosted a Formula 1™ Grand Prix](https://en.wikipedia.org/wiki/List_of_Formula_One_circuits).
 
 ## Acknowledgment