diff --git a/README.md b/README.md
index 5378361..3d5d519 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,7 @@ Converts TypeScript definition files into ActionScript. The FlexJS transpiler ma
 dts2as hello.d.ts
 dts2as file1.d.ts file2.d.ts
 dts2as --outDir ./as3-files file.d.ts
+dts2as --exclude com.example.SomeType file.d.ts
 ```
 
 The following arguments are available:
@@ -24,6 +25,10 @@ The following arguments are available:
 
 	Specify the fully-qualified name of a symbol to include when emitting ActionScript. Excludes all other symbols.
 
+* `-t VERSION` or `--target VERSION`
+
+	Specify ECMAScript target version for the TypeScript standard library: 'ES3', 'ES5' (default), or 'ES6'
+
 * `-v` or `--version`
 
 	Print the version of `dts2as`.