Update README

ICSharpCode.Decompiler.Console/README.md

@@ -14,17 +14,21 @@ dotnet tool for decompiling .NET assemblies and generating portable PDBs
 Usage: ilspycmd [arguments] [options]
 
 Arguments:
-  Assembly file name          The assembly that is being decompiled. This argument is mandatory.
+  Assembly file name                   The assembly that is being decompiled. This argument is mandatory.
 
 Options:
-  -h|--help                   Show help information
-  -o|--outputdir <directory>  The output directory, if omitted decompiler output is written to standard out.
-  -p|--project                Decompile assembly as compilable project. This requires the output directory option.
-  -t|--type <type-name>       The fully qualified name of the type to decompile.
-  -il|--ilcode                Show IL code.
-  -d|--debuginfo              Generate PDB.
-  -l|--list <entity-type(s)>  Lists all entities of the specified type(s). Valid types: c(lass), i(interface), s(truct), d(elegate), e(num)
-  -v|--version                Show version of ICSharpCode.Decompiler used.
+  -h|--help                            Show help information
+  -o|--outputdir <directory>           The output directory, if omitted decompiler output is written to standard out.
+  -p|--project                         Decompile assembly as compilable project. This requires the output directory option.
+  -t|--type <type-name>                The fully qualified name of the type to decompile.
+  -il|--ilcode                         Show IL code.
+  -d|--debuginfo                       Generate PDB.
+  -l|--list <entity-type(s)>           Lists all entities of the specified type(s). Valid types: c(lass), i(interface), s(truct), d(elegate), e(num)
+  -v|--version                         Show version of ICSharpCode.Decompiler used.
+  -lv|--languageversion <version>      C# Language version: CSharp1, CSharp2, CSharp3, CSharp4, CSharp5, CSharp6, CSharp7_0, CSharp7_1, CSharp7_2, CSharp7_3, CSharp8_0 or Latest
+  -r|--referencepath <path>            Path to a directory containing dependencies of the assembly that is being decompiled.
+  --no-dead-code                       Remove dead code.
+  --no-dead-stores                     Remove dead stores.
 
 Remarks:
   -o is valid with every option and required when using -p.