Update README.md

README.md

@@ -1,17 +1,18 @@
 # Electronic Color Code Calculator
 
 Note:  changed return type of IOhmValueCalculator.CalculateOhmValue to nullable decimal to allow:
-1) null when unable to calculate (i.e bad input)
+1) null when unable to calculate (i.e bad input or missing input)
 2) decimal values for decimal multipliers
 3) values larger than int.MaxValue
 
-Pre-Reqs.:
-1) .net core 2.0
-2) Visual Studio 2017 with latest updates
+Prerequisites:
+1) Windows 7 or Windows 10
+2) .Net Core 2.0
+3) Visual Studio 2017 with latest updates
 
 To run:
-1) Download or clone project
-2) Open ElectronicColorCodeCalculator.sln
+1) Download or clone project -- master branch
+2) Open ElectronicColorCodeCalculator.sln in Visual Studio 2017
 3) Restore NuGet packages for solution
 4) Clean & rebuild Solution
 5) Set Startup Project to ElectronicColorCodeCalculator.Mvc