diff --git a/compiler/cpp/src/generate/t_py_generator.cc b/compiler/cpp/src/generate/t_py_generator.cc
index 234408c..6a82bd7 100644
--- a/compiler/cpp/src/generate/t_py_generator.cc
+++ b/compiler/cpp/src/generate/t_py_generator.cc
@@ -2387,6 +2387,7 @@
 
 THRIFT_REGISTER_GENERATOR(py, "Python",
 "    new_style:       Generate new-style classes.\n" \
-"    twisted:         Generate Twisted-friendly RPC services.\n"
+"    twisted:         Generate Twisted-friendly RPC services.\n" \
+"    utf8strings:     Encode/decode strings using utf8 in the generated code.\n"
 )