Update weather_repo.dart

Author: Tensor-Programming

lib/model/weather_repo.dart

@@ -46,7 +46,7 @@ class WeatherRepo {
   //   return result;
   // }
 
-  //uses Stream instead of future.  Mainly done because lastKnownLocation isn't as reliable as locationUpdates.
+  //uses Stream instead of future.  Mainly done because lastKnownLocation isn't as reliable as currentLocation.
   //when geolocation plugin is fixed or better plugin is released, will update code.
 
   Stream<LocationResult> updateLocationStream(dynamic item) {