updates to sedf and map widget sections

Author: jyaistMap

guide/02-api-overview/release-notes.ipynb

@@ -15,12 +15,9 @@
     "* Updated the **[`Map Widget`](https://esri.github.io/arcgis-python-api/apidoc/html/arcgis.widgets.html#mapview)** to use the **[ArcGIS API for Javascript 4x](https://developers.arcgis.com/javascript/)** release\n",
     "  * Support for rendering `Web Scenes`\n",
     "  * Full support for [`Jupyter Lab`](http://jupyterlab.readthedocs.io/en/stable/getting_started/overview.html)\n",
-    "* Added the new **Spatially Enabled Dataframe** to eventually replace the [`SpatialDataFrame`()](https://esri.github.io/arcgis-python-api/apidoc/html/arcgis.features.toc.html#spatialdataframe) class\n",
+    "* Added the new **`Spatially Enabled Dataframe`** to eventually replace the [`SpatialDataFrame`()](https://esri.github.io/arcgis-python-api/apidoc/html/arcgis.features.toc.html#spatialdataframe) class\n",
     "  * New implementation: **Accessor-based** `spatial` namespace accessible as the `sdf` property on a Pandas dataframe\n",
-    "  * Improvements to the [`to_featureclass()`](https://esri.github.io/arcgis-python-api/apidoc/html/arcgis.features.toc.html?\n",
-    "  * Added capability to the `spatially enabled data frame` to use the classed-size renderer\n",
-    "  * Added support for using [`Arcade expressions`]() with [`plot()`](https://esri.github.io/arcgis-python-api/apidoc/html/arcgis.features.toc.html#arcgis.features.SpatialDataFrame.plot) methodhighlight=to_featureclass#arcgis.features.SpatialDataFrame.to_featureclass) on the Spatially enhanced data frame\n",
-    "  * Full projection support for both `ArcPy` and `Shapely` engines\n",
+    "  * Improvements to rendering, projections and support for Arcade expressions\n",
     "* Added `usage` property on [`Item`](https://esri.github.io/arcgis-python-api/apidoc/html/arcgis.gis.toc.html#item) class to inspect individual statistics  \n",
     "* Added attribute checks for geometries in environments where `ArcPy` is not available\n",
     "* Added `summary` property to [`arcgis.admin.ux`](https://esri.github.io/arcgis-python-api/apidoc/html/arcgis.gis.admin.html#ux) to add description of Portal or ArcGIS Online Organization instance\n",
@@ -390,7 +387,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.6"
+   "version": "3.6.5"
   },
   "varInspector": {
    "cols": {