fix grid_mapping location (#876)

Author: acoque

docs/getting_started/crs_management.ipynb

@@ -43,7 +43,7 @@
     "If you have opened a dataset and the Coordinate Reference System (CRS) can be determined, you can access it via the `rio.crs` accessor.\n",
     "\n",
     "#### Search order for the CRS (DataArray and Dataset):\n",
-    "1. Look in attributes (`attrs`) of your data array for the `grid_mapping` coordinate name.\n",
+    "1. Look in `encoding` of your data array for the `grid_mapping` coordinate name.\n",
     "   Inside the `grid_mapping` coordinate first look for `spatial_ref` then `crs_wkt` and lastly the CF grid mapping attributes.\n",
     "   This is in line with the Climate and Forecast (CF) conventions for storing the CRS as well as GDAL netCDF conventions.\n",
     "2. Look in the `crs` attribute and load in the CRS from there. This is for backwards compatibility with `xarray.open_rasterio`, which is deprecated since version 0.20.0. We recommend using `rioxarray.open_rasterio` instead.\n",
@@ -73,7 +73,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -84,7 +84,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -93,7 +93,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": null,
    "metadata": {},
    "outputs": [
     {
@@ -113,7 +113,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": null,
    "metadata": {},
    "outputs": [
     {
@@ -497,7 +497,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": null,
    "metadata": {},
    "outputs": [
     {