diff --git a/README.md b/README.md
index ad79d2e0..978df090 100644
--- a/README.md
+++ b/README.md
@@ -371,7 +371,7 @@ Following options are available for the JS Obfuscator:
     --disable-console-output <boolean>
     --domain-lock '<list>' (comma separated)
     --exclude '<list>' (comma separated)
-    --identifier-names-generator <string> [dictionary, hexadecimal, mangled]
+    --identifier-names-generator <string> [dictionary, hexadecimal, mangled, mangled-shuffled]
     --identifiers-dictionary '<list>' (comma separated)
     --identifiers-prefix <string>
     --log <boolean>