update

Author: jswhit

KNOWN_BUGS

@@ -2,5 +2,6 @@
 always tries to fill the inside of a polygon.  Under certain situations,
 what is the inside of a coastline polygon can be ambiguous, and the 
 outside may be filled instead of the inside. 
-Workaround - mask the land areas with the drawlsmask method instead of
+Workarounds - change the map projection region slightly or
+mask the land areas with the drawlsmask method instead of
 filling the coastline polygons (this is illustrated in the ortho_demo.py example).