update map preview URL

approaches/tiling.qmd

@@ -6,7 +6,7 @@ An xarray tile server provides image tiles via the [XYZ Protocol](https://en.wik
 
 The tile server approach relies on the [`rio_tiler.XarrayReader`](https://github.com/cogeotiff/rio-tiler/blob/main/rio_tiler/io/xarray.py) library which includes the `tile` function. This module supports tiling of anything that is xarray-readable, so a tile server using this library can render tiles from Zarr stores as well as netCDF4/HDF5 and other formats. An example API infrastructure can be found in [titiler-xarray](https://github.com/developmentseed/titiler-xarray). Please note this library is still in development and is not intended for production use at this time.
 
-Users can preview their zarr data using the map form and preview tool at [https://dev-titiler-xarray.delta-backend.com/map](https://dev-titiler-xarray.delta-backend.com/map).
+Users can preview their zarr data using the map form and preview tool at [https://dev-titiler-xarray.delta-backend.com/WebMercatorQuad/map](https://dev-titiler-xarray.delta-backend.com/WebMercatorQuad/map).
 
 ![](../images/zarr-preview.gif)