[OSM-newbies] Routing issue

[Bob Hawkins]

I am concerned that a route from my home by car in http://www.yournavigation.org/ takes me across a local footpath that I added in JOSM with the tags foot = yes and highway = footway (I think I put in the additional foot = yes because, being new to OSM mapping then, other paths already in the area were so designated.).  If this is incorrect or insufficient to avoid a route by car using such links, I must change all I have done to date, which is quite considerable in my local area.  I should appreciate some advice.
I notice, too, that in obtaining a route over a longer distance, it sometimes appears to go around roundabouts to the right instead of left, with turn instructions accordingly incorrect.  Clearly, routing highlights many issues which we who enter data into OpenStreetMap might not be aware of.  Is there specific advice written anywhere?
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