Update release notes

angularsen · angularsen · commit 049603790ba7 · 2014-07-23T15:37:46.000+02:00
Breaking change on how to add custom units
diff --git a/UnitsNet.nuspec b/UnitsNet.nuspec
@@ -23,6 +23,7 @@ Breaking changes:
 * Rename Month30Days Year365Days units to Month and Year
 * Fix plural naming of Pressure.KilogramsForcePerSquareCentimeterInOnePascal
 * Fix plural naming of Ratio.PartsPer-units
+* Custom units added manually via UnitSystem.MapUnitToAbbreviation()
 
 Fixes:
 * Fall back to US English culture when parsing/getting abbreviations
