diff --git a/README.md b/README.md
index f2c1125d6..cfa4f89ec 100644
--- a/README.md
+++ b/README.md
@@ -12,9 +12,10 @@ ModernUO
 
 ### Building for Windows (Without Visual Studio)
 `C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc /optimize /unsafe /t:exe /out:RunUO.exe /win32icon:Server\runuo.ico /d:NEWTIMERS /d:NEWPARENT /recurse:Server\\*.cs`
+- DotNetCompilerPlatform must be installed with the `csc.exe` file in the `roslyn` folder at the root of the repository.
 
 ### Building for Mac/Linux (Without Visual Studio)
 `mcs -optimize+ -unsafe -t:exe -out:RunUO.exe -win32icon:Server/runuo.ico -nowarn:219,414 -d:NEWTIMERS -d:NEWPARENT -d:MONO -reference:System.Drawing -recurse:Server/*.cs`
 
 ### Running on Mac/Linux (MONO)
-`mono RunUO.exe`
\ No newline at end of file
+`mono RunUO.exe`