Merge pull request #124 from USACE-RMC/docs/fix/lifesim-usersguide-roadnetworkinfo

Gave users a direct link to download external OpenStreetMap data for LifeSim's road network input

Author: karenmai-usace

docs/desktop-applications/lifesim/users-guide/v1.0/08-road-network-data.mdx

@@ -206,10 +206,14 @@ To view and/or edit the default CFCC road attributes:
 
 ## Create Road Network Datasets
 
-Road network datasets can be created by importing information from a polyline shapefile that represents a road network. Another way to import a road
-network dataset is using a bounding polygon shapefile to generate a road network using all available data within the bounding polygon from the
-OpenStreetMap <Citation citationKey="OSM"/> database (refer to [Appendix
-C](./19-appendix-editing-road-network-data-for-use-in-lifesim.mdx) for further information).
+Road network datasets can be created by importing information from a polyline shapefile that represents a road network. 
+Primary OpenStreetMap data for North America is 
+available <a href="https://download.geofabrik.de/north-america.html" target="_blank" rel="noopener noreferrer">here</a>.
+
+Another way to import a road
+network dataset is directly in LifeSim using a bounding polygon shapefile to generate a road network using all available data within the bounding polygon from the
+OpenStreetMap <Citation citationKey="OSM"/> database. Refer to [Appendix
+C](./19-appendix-editing-road-network-data-for-use-in-lifesim.mdx) for further information.
 
 ### Import from a Shapefile